Eastern Mojave Vegetation
Images -- Species - Rosaceae

By Tom Schweich


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Images are organized by the topics listed at left. Click on a topic name to see images with that topic.

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Potentilla pulcherrima

Red-tipped glands in the inflorescence of Coll. No. 1989, Potentilla pulcherrima

Microphotographed 18 January 2019.

Coll. No. 1989, 23 July 2018, characters observed: Basal Leaves, petiole, 170 mm., blade, 55 mm. × 75 mm. wide, compound, palmate, leaflets, #7, 53 mm. × 16.5 mm. wide, cleft ½ for entire length, adaxial green sparse long unicellular hairs, abaxial silvery gray tomentose, Cauline Leaves, 4 per stem, alternate, reduced in size, stipules, large, 20 mm. × 7 mm. wide, ovate, entire; petiole, 18 mm., blade, 30 mm. ×. 34 mm. wide, leaflets, #5 or 7, 23 mm. × 9 mm. wide, lobed ⅓ to mid-rib entire length of leaflet, teeth, tiny dark tip; Inflorescence, 10-40 flowers, cymose, red-tipped glands on distal stems, petioles, and calyx. (These are said to be conspicuous but I never see them until I get to that couplet in the key.) Flowers, limb, 17 mm.; Petals, #5, 7.5 mm. × 4.5 mm. wide, obovate, yellow; Anthers, 0.8 mm.; Ovary, many, glabrous; Style, 2.0 mm., emerging from near top of ovary, filiform to slightly tapered throughout; Achenes, 0.7 mm. × 0.5 mm. wide, tan, glabrous.

Article records that use this photograph:

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Coll. No. 1956, Potentilla pulcherrima

Photographed 27 December 2018.

Coll. No. 1956, 20 June 2018,characters observed: Perennial herb, to 40 cm.; Stems, erect, not rooting at nodes; Leaves, basal, compound, palmate, leaflets, #5 or 7 (never ternate), toothed ±entire length, #7-11 teeth, adaxial green, few long hairs, abaxial gray, densely tomentose; cauline, few (2-3); Inflorescence, #14 flowers, inconspicuous tiny red-tipped glands on sepals and epicalyx bractlets; Sepals, fused 1.5 mm. + free 5 mm. × 1.8 mm. wide, green, hirsute, glandular; Epicalyx bractlets, 4.5 mm. × 1.1 mm. wide, green, with reddish-brown tips; Petals, 8 mm. × 8 mm. wide, deltate, yellow; Styles, 2 mm., filiform, terminal.

Article records that use this photograph:

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Coll. No. 1989, Potentilla pulcherrima

Photographed 19 January 2019.

Coll. No. 1989, 23 July 2018, characters observed: Basal Leaves, petiole, 170 mm., blade, 55 mm. × 75 mm. wide, compound, palmate, leaflets, #7, 53 mm. × 16.5 mm. wide, cleft ½ for entire length, adaxial green sparse long unicellular hairs, abaxial silvery gray tomentose, Cauline Leaves, 4 per stem, alternate, reduced in size, stipules, large, 20 mm. × 7 mm. wide, ovate, entire; petiole, 18 mm., blade, 30 mm. ×. 34 mm. wide, leaflets, #5 or 7, 23 mm. × 9 mm. wide, lobed ⅓ to mid-rib entire length of leaflet, teeth, tiny dark tip; Inflorescence, 10-40 flowers, cymose, red-tipped glands on distal stems, petioles, and calyx. (These are said to be conspicuous but I never see them until I get to that couplet in the key.) Flowers, limb, 17 mm.; Petals, #5, 7.5 mm. × 4.5 mm. wide, obovate, yellow; Anthers, 0.8 mm.; Ovary, many, glabrous; Style, 2.0 mm., emerging from near top of ovary, filiform to slightly tapered throughout; Achenes, 0.7 mm. × 0.5 mm. wide, tan, glabrous.

Article records that use this photograph:

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Potentilla rivalis

Coll. No. 1959.3, Potentilla rivalis

Scanned 9 January 2019.

Coll. No. 1959.3, 21 June 2018, characters observed: Perennial herb, short-lived(?), 25 cm. to 45 cm., erect, not stoloniferous, hairs, 1 mm., eglandular, soft, not pustule-based; Leaves, basal and stem, equally thinly hirsute above and below, Basal, stipules, 10 mm., simple, free, petiole, 20 mm., blade, compound, ternate, 11 mm. × 12.5 mm. wide, Cauline, many per stem, stipules, 8 mm. × 2 mm. wide, lanceolate, entire, petiole, 6 mm., blade, 14 mm. × 14 mm. wide, leaflets, #3, 10 mm. × 5 mm. wide, lobed ≤½-mid-rib, teeth, red-tipped; Inflorescence, eglandular; Calyx, 3 mm. wide, flattened at base, lobes, 3 mm. × 2 mm. wide, green, epicalyx bractlets, 3 mm. × 1.2 mm. wide, Flowers, limb, 5 mm. wide, Petals, #5, 2 mm. × 1.2 mm. wide, obovate, yellow; Stamens, #12; Anthers, 0.3 mm. × 0.3 mm. wide, Ovary, many, glabrous; Styles, 0.8 mm., attached laterally below top of ovary, thickest at base; Stigma, #1; Achenes, 0.7 mm. × 0.5 mm. wide, tan, glabrous, smooth; without prominently septate gland-tipped trichomes, and with tiny smooth pale achenes, FNANM would put this in P. rivalis.

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Rosaceae

Rose Family?

Scanned 21 August 2015.

Leaf was partially dry, and then rehydrated before it was scanned.

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Rose Family?

Scanned 21 August 2015.

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Rose Family?

Photographed 20 August 2015.

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Rose Family?

Photographed 20 August 2015.

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Something Rosaceous at Forest Canyon Overlook

Photographed 24 September 2014.

SEINet lists the following Rosaceous taxa collected on Trail Ridge:

  1. Dryas hookeriana
  2. Dryas octopetala ssp. hookeriana
  3. Geum rossii var. turbinatum
  4. Pentaphylloides floribunda
  5. Potentilla diversifolia var. diversifolia
  6. Sibbaldia procumbens

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Rosaceae Amelanchier alnifolia

Coll. No. 1801, Amelanchier alnifolia

Scanned 9 July 2018.

Coll. No. 1800-1801, 7 May 2018, characters oberved: Shrub, to 1 m.; Stems, branches unarmed; Leaves, simple, petiole, 8 mm., blade, 22-32 mm. × 19-32 mm. wide, veins, pinnate, surface, sparsely hairy above, sparsely to moderately hairy below, margin, serrate; Flowers, borne singly, pedicels, 10 mm., petals 9 mm. × 4.5 mm. wide, color cream; Ovary, inferior, tip hairy; Styles, #(4)5;

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Habitat of Coll. No. 1800, Amelanchier alnifolia

Photographed 7 May 2018.

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Coll. No. 1801, Amelanchier alnifolia

Scanned 9 July 2018.

Coll. No. 1800-1801, 7 May 2018, characters oberved: Shrub, to 1 m.; Stems, branches unarmed; Leaves, simple, petiole, 8 mm., blade, 22-32 mm. × 19-32 mm. wide, veins, pinnate, surface, sparsely hairy above, sparsely to moderately hairy below, margin, serrate; Flowers, borne singly, pedicels, 10 mm., petals 9 mm. × 4.5 mm. wide, color cream; Ovary, inferior, tip hairy; Styles, #(4)5;

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Rosaceae Amelanchier utahensis

Utah Service Berry as found on the knob named "Sand."

Photograph taken 22 June 2010.

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Amelanchier utahensis

North slope of Wild Horse Mesa.

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Amelanchier utahensis

North slope of Wild Horse Mesa.

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Habitat of Utah Service Berry near the knob named "Sand."

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Coll. No. 925, Amelanchier utahensis

Scanned 25 Feb 2014.

Coll. No. 925, 25 May 2013, characters observed: Woody shrub, 1-2 m.; Stem, glabrous, thorns 0; Leaves, ±evenly distributed on branches, simple, petiole 4 mm. + blade 18 mm. × 10-12 mm. wide, not leathery, margin entire to distally toothed, abaxially glabrous in flower, few hairs on petioles, adaxial leaf surface, and proximal margins, deciduous unknown; Petals, #5, obovate, 10 mm × 5 mm. wide; Ovary inferior, top glabrous; Styles 3; Fruit, unknown (plant in flower).

Although thought to be different when collected, this is the same taxon as Coll. No. 926, including the somewhat unusual combination of characters typical of A. utahensis, i.e., number of styles and narrow shape of leaf, with absence of hairs on ovary and abaxial leaf suggesting A. alnifolia var. pumila.

Article records that use this photograph:

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Coll. No. 925, Amelanchier utahensis

Scanned 28 Feb 2014.

Things to see here: styles 3, ovary glabrous.

Coll. No. 925, 25 May 2013, characters observed: Woody shrub, 1-2 m.; Stem, glabrous, thorns 0; Leaves, ±evenly distributed on branches, simple, petiole 4 mm. + blade 18 mm. × 10-12 mm. wide, not leathery, margin entire to distally toothed, abaxially glabrous in flower, few hairs on petioles, adaxial leaf surface, and proximal margins, deciduous unknown; Petals, #5, obovate, 10 mm × 5 mm. wide; Ovary inferior, top glabrous; Styles 3; Fruit, unknown (plant in flower).

Although thought to be different when collected, this is the same taxon as Coll. No. 926, including the somewhat unusual combination of characters typical of A. utahensis, i.e., number of styles and narrow shape of leaf, with absence of hairs on ovary and abaxial leaf suggesting A. alnifolia var. pumila.

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Rosaceae Cercocarpus ledifolius intermontanus

Detail of Collection No. 667.

Scanned 17 May 2011. Grid is 10x10 to the inch.

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Mountain Mahogany on hills near Sagehen Meadow

Photograph taken 16 July 2010

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Overview of Collection No. 667.

Scanned 17 May 2011. Grid is 10x10 to the inch.

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Rosaceae Cercocarpus montanus

Coll. No. 741, Cercocarpus montanus

Scanned 7 Jan 2012.

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Rosaceae Chamaebatiaria millefolium

Chamaebatiaria millefolium growing on the rim of the inner crater.

Photographed 19 June 2012.

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Coll. No. 758, Chamaebatiaria millefolium

Scanned 17 Jan 2012

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Rosaceae Coleogyne ramosissima

Collection No. 442 from the Mesquite Mountains.

Scanned 22-Jan-06.

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Blackbrush (Coleogyne ramosissima) in the Mesquite Mountains, California

Photograph taken 20 April 2005, in the Mesquite Mountains, about 300 meters northeast of Winters Pass. This is my collection number 442.

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Collection No. 442 from the Mesquite Mountains.

Scanned 22-Jan-06.

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Blackbrush (Coleogyne ramosissima) in bloom along Excelsior Mine Road.

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Blackbrush on the Volcanic Tableland

Photograph taken April 27, 2009.

Article records that use this photograph:

  • Casa Diablo Mine Road, Mono County, and Casa Diablo Road, Inyo County, California: on the road.
  • A Bibliography on Blackbrush (Coleogyne ramosissima): on Volcanic Tableland.

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Blackbrush (Coleogyne ramosissima) flower in profile view.

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Blackbrush (Coleogyne ramosissima) flower in plan view.

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Blackbrush (Coleogyne ramosissima) in bloom at Monument Valley.

Photographed 20 April 2017.

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Rosaceae Crataegus succulenta

General appearance of Coll. No. 1455, Crataegus succulenta

Photographed 27 June 2016.

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Fruit of Coll. No. 1462, Crataegus succulenta

Photographed 27 June 2016.

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Rosaceae Drymocallis glandulosa reflexa

Coll. No. 707, Drymocallis glandulosa var. reflexa

Scanned 15 Nov 2011.

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Rosaceae Fallugia paradoxa

Apache Plume (Fallugia paradoxa)

is found occasionally along the washes in the higher elevations of Mojave National Preserve.

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Collection No. 146, Fallugia paradoxa

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Collection No. 146, Fallugia paradoxa

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Collection No. 146, Fallugia paradoxa

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Rosaceae Fragaria virginiana

Coll. No. 1473, Fragaria virginiana

Scanned 29 December 2016.

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Rosaceae Geum macrophyllum

Detail of Collection No. 560

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Overview of Collection No. 560

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Detail of Coll. No. 685, Geum macrophyllum

Scanned 30 Oct 2011.

Things to see in this scan: (1) Are the little appendages, circled in red, hypanthium bractlets? (2) Are there bristles at the base of the styles in maturing fruit?

30 Oct 2011: Characters observed while keying: Perennial herb, drying green; Flowers 3-10 (observed: 8, 10), erect; Epicalyx should be present per Taylor (2010) but unable to see; Sepals 4, green; Hypanthium shape ? (unable to observe in dried specimens), bractlets unclear (but see small appendages circled in red on detail photo); Petals present, yellow; Styles persistent, 2-9 mm (obs: 4-5 mm), tapered, hooked, bristles at base (see detail photo, conflicts with species description), not plumose.

Article records that use this photograph:

  • Inyo National Forest Road 01S04A, Mono County, California: 10300.
  • Field Notes: 23 Jul 2010.

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Rosaceae Geum macrophyllum perincisum

Coll. No. 438.1, Geum macrophyllum var. perincisum

Scanned 12 November 2012.

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Rosaceae Geum triflorum

Coll. No. 1470, Geum triflorum

Scanned 30 December 2016.

Coll. No 1470, 29 June 2016, characters observed: Perennial herb, to 20 cm., pilose; Leaves, basal, petiole 20 mm. + blade 70 mm. × 25 mm. wide, pinnately compound, leaflets, 15 mm. × 9 mm. wide, deeply lobed, terminal leaflet 3-lobed at tip; flowering stem, opposite; Sepals, #5, 7 mm. × 2.5 mm. wide; Flowers, nodding; Petals, 6 mm. × 3.7 mm. wide, white; Stamens, many; Styles, many, (in fruit) unknown; Fruit, unknown.

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Rosaceae Holodiscus discolor microphyllus

Leaf cluster of Coll. No. 1189, Holodiscus discolor var. microphyllus

Scanned 11 November 2015.

Coll. No. 1189, 26 June 2015, characters observed: Perennial shrub, to 2 m.; Leaves, alternate and alternate clusters, 12 mm. × 11 mm. wide, base wedge-shaped, widest at or below middle, toothed distally, teeth entire, veins pinnate, glands 0; Inflorescence, raceme; Pedicels, 4.5 mm., bractlets, #2; Petals, white; Ovary, superior; Pistils, #5, hairs dense bristle-like.

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Coll. No. 1189, Holodiscus discolor var. microphyllus

Scanned 11 November 2015.

Coll. No. 1189, 26 June 2015, characters observed: Perennial shrub, to 2 m.; Leaves, alternate and alternate clusters, 12 mm. × 11 mm. wide, base wedge-shaped, widest at or below middle, toothed distally, teeth entire, veins pinnate, glands 0; Inflorescence, raceme; Pedicels, 4.5 mm., bractlets, #2; Petals, white; Ovary, superior; Pistils, #5, hairs dense bristle-like.

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Rosaceae Holodiscus microphyllus

Flowers of Collection No. 668, Holodiscus discolor var. microphyllus

Scanned 17 May 2011. Grid is 10x10 to the inch.

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Stems and leaves of Collection No. 668, Holodiscus discolor var. microphyllus

Scanned 17 May 2011. Grid is 10x10 to the inch.

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Overview of Collection No. 668, Holodiscus discolor var. microphyllus

Scanned 17 May 2011. Grid is 10x10 to the inch.

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Ocean Spray (Holodiscus discolor var. microphyllus) on hill above Sagehen Meadow

Photograph taken 16 July 2010

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Rosaceae Horkelia fusca parviflora

Horkelia fusca ssp. parviflora, Coll #689

Photograph taken 25 July 2010 in the Bodie Hills, southwest of Murphy Spring.

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Coll. No. 689, Horkelia fusca var. parviflora

Scanned 8 Nov 2011.

Coll. No. 689, 7 Nov 2011, characters observed while keying: Perennial herb, to 3 dm; Stem glandular; Leaf pinnately compound; Leaflets 9; 5-11 mm, divided 40% to base; Epicalyx supposedly present but I can't see it with dry specimens; Sepals 5, with subtending bractlets (?); Petals 5, white, 2 mm; Filaments flattened, 0.8 mm widebroader at base than above; Stamens 2 x 5 = 10; Anthers <= 0.5 mm; Styles 1 mm, jointed to fruit, deciduous; Fruits 1 mm; Achenes not fleshy.

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Rosaceae Horkeliella congdonis

Coll. No, 694, Horkeliella congdonis

Scanned 10 Nov 2011.

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Horkeliella congdonis in Sagehen Meadow

Photograph taken 26 July 2010 in Sagehen Meadow.

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Rosaceae Petrophyton caespitosum

Petrophyton caespitosum in Caruthers Canyon.

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Rosaceae Physocarpus monogynus

Coll. No. 1658, Physocarpus monogynus

Photographed 11 December 2017.

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Fruit of Coll. No. 1739, Physocarpus monogynus

Scanned 7 January 2018.

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Habitat of Physocarpus monogynus on North Table Mountain.

Photographed 8 June 2018.

I could smell the Physocarpus when I walked by it, but did not see it. Later, from the quarry road, I was able to see it in the shrubs below.

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Coll. No. 1739, Physocarpus monogynus

Photographed 7 January 2018.

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Coll. No. 1397, Physocarpus monogynus

Scanned 1 December 2016.

Coll. No. 1397, 8 June 2016, characters observed: Shrub, height unknown (growing in ravine); Leaves, alternate, simple, hairs stellate, petiole, 10 mm., blade, 30 mm. × 33 mm. wide, ovate, palmate-veined, doubly crenate; Inflorescence, umbellate corymb, ±20-flowered; Pedicels, 8-12 mm.; Flowers, limb, 12 mm., petals, 4.5 mm., color cream; Styles, 2.

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Rosaceae Potentilla

Accidental Coll. No. 1473.1, Potentilla sp.

Scanned 29 December 2016.

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Rosaceae Potentilla anserina anserina

Coll. No. 562, Potentilla anserina ssp. anserina

Photograph taken August 14, 2008.

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Detail of Collection No. 562, Potentilla anserina var. anserina

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Overview of Collection No. 562, Potentilla anserina var. anserina

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June Lake and Silver Weed Cinquefoil

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Rosaceae Potentilla biennis

Collection No. 524, Potentilla biennis

Photograph taken August 2, 2007 beside Rush Creek.

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Collection No. 524, Potentilla biennis

Scanned 20 March 2011. Background grid is 10 x 10 to the inch.

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Potentilla biennis, Coll #688, Bodie Hills

Photograph taken 25 July 2010 in the Bodie Hills, southwest of Murphy Spring.

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Coll. No. 688, Potentilla biennis

Scanned 7 Nov 2011.

The little things that look like beans are individual carpels, each containing a seed. A style is circled in red.

Coll. No. 688, 7 Nov 2011, characters observed while keying: Perennial herb (not shrub), to 4 dm, without stolons; Stem some hairs weakly glandular; Leaflets 3; Petals yellow, 1.5 mm; Carpels numerous on a convex receptacle; Styles attached at tip of achene (carpel?), 0.6 mm long, widest at base, bumpy; Achene glabrous.

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Coll. No. 688, Potentilla biennis

Scanned 7 Nov 2011.

Coll. No. 688, 7 Nov 2011, characters observed while keying: Perennial herb (not shrub), to 4 dm, without stolons; Stem some hairs weakly glandular; Leaflets 3; Petals yellow, 1.5 mm; Carpels numerous on a convex receptacle; Styles attached at tip of achene (carpel?), 0.6 mm long, widest at base, bumpy; Achene glabrous.

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Coll. No. 410, Potentilla biennis

Scanned 12 November 2012.

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Disturbed habitat of Coll. No. 835, Potentilla biennis

Photographed 19 June 2012

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Rosaceae Potentilla fissa

Coll. No. 1911, Potentilla fissa

Photographed 1 December 2018.

Potentilla fissa Nutt. ex Torr. & A.Gray. (Syn: Drymocallis fissa (Nuttall) Rydberg) fide Ackerfield (2015).  Bigflower Cinquefoil.

Coll. No. 1911, 31 May 2018, characters observed: Perennial herb, rhizomatous, to 20 mm.; Stem, erect, green, multicellular viscid hairs; Leaves, basal and cauline, basal, 58 mm. × 16 mm. wide, compound, leaflets, #11, cauline, #3-4 per stem, alternate, compound, pinnate, stipules, 5 mm. × 2 mm. wide, lanceolate, entire to once shallowly toothed; petiole, 18 mm., multicellular viscid hairs, prior years remaining on plant (as sometimes described for P. rupincola), blade, 51 mm. × 22 mm. wide, leaflets, #13, petiolulate (not decurrent), 12 mm. × 9 mm. wide, viscid hairy, terminal leaflet (8)10 mm. side, margin, flat, serrate, teeth, 4-6 per side, on distal ¾, tip dark reddish; Inflorescence, clusters of 5+ flowers; Pedicels, 3 mm., hairy below; Calyx, lobes, #5, 7-7.5 mm. × 2.7-3.0 mm. wide, fused ±½, viscid hairy, epicalyx bractlets, 3-3.5 mm. × 0.8 mm. wide, ±½ sepals; Flowers, limb, 15 mm.; Petals, #5, 7-8 mm. × 5-9 mm. wide, obovate, yellow; Receptacle, hairy; Stamens, >25; Anthers, 1.4 mm. × 1 mm. wide; Ovary, many, superior, glabrous; Styles, 1.3 mm., attached laterally below top of ovary, thickest at base, tapered from middle, not warty; Stigma, #1; Achenes, glabrous.

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Coll. No. 1364, Potentilla fissa

Scanned 21 November 2016.

Coll. No. 1364, 21 May 2016, characters observed: Perennial, herb, caespitose, to 20 cm., terrestrial, not stoloniferous, glandular-hairy throughout; Leaves, basal, 12.5 cm. × 2.6 cm. wide, pinnately compound, leaflets, #11; cauline, reduced in size and number of leaflets, 4 cm. × 2 cm. wide, leaflets, #7; Inflorescence, congested cyme, with 5-7 flowers; Flowers, calyx, lobes, #5, 11 mm. × 4.5 mm. wide, fused at base, bractlets, 5 mm. × 1.3 mm. wide; Receptacle, hairy, <1 mm., Petals, 9 mm. × 7.5 mm. wide, color yellow; Stamens, many; Ovaries, many; Styles, widest at middle, attached laterally below top of ovary.

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Coll. No. 1099, Potentilla fissa

Photographed 3 May 2015.

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Coll. No. 1099, Potentilla

Photographed 3 May 2015.

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Rosaceae Potentilla glaucophylla glaucophylla

Coll. No. 1477, Potentilla glaucophylla var. glaucophylla

Scanned 27 December 2016.

Coll. No. 1477, 29 Jun 2016, characters observed: Perennial herb, to 25 cm.; Flowering stems, ascending, reddish; Leaves, basal, petiole, 50 mm., sparsely hairy, blade, palmate, 25 mm. × 35 mm. wide, 5-7 leaflets, leaflets, incised, distal ½, about half-way to mid-vein, adaxial, very sparse hairy, abaxial, hairy mostly on veins, margins hairy, cauline, much reduced to sessile, ternately lobed, 17 mm.; Sepals, 5 mm. × 3 mm. wide, green, purplish on veins or at tips; Petals, 7 mm. × 8 mm. wide, bright yellow; Stamens, #20; Anthers, 0.7 mm.; Style, 2 mm., slender throughout, attached mid-achene.

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Coll. No. 1477, Potentilla glaucophylla var. glaucophylla

Photographed 27 December 2016.

Coll. No. 1477, 29 Jun 2016, characters observed: Perennial herb, to 25 cm.; Flowering stems, ascending, reddish; Leaves, basal, petiole, 50 mm., sparsely hairy, blade, palmate, 25 mm. × 35 mm. wide, 5-7 leaflets, leaflets, incised, distal ½, about half-way to mid-vein, adaxial, very sparse hairy, abaxial, hairy mostly on veins, margins hairy, cauline, much reduced to sessile, ternately lobed, 17 mm.; Sepals, 5 mm. × 3 mm. wide, green, purplish on veins or at tips; Petals, 7 mm. × 8 mm. wide, bright yellow; Stamens, #20; Anthers, 0.7 mm.; Style, 2 mm., slender throughout, attached mid-achene.

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Rosaceae Potentilla gracilis elmeri

Potentilla gracilis var. elmeri in Sagehen Meadow.

Photograph taken 5 July 2010.

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Potentilla gracilis var. elmeri in Sagehen Meadow.

Photograph taken 5 July 2010.

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Habitat of Potentilla gracilis var. elmeri in Sagehen Meadow.

Photograph taken 5 July 2010. Photo looks west from near the south margin of the meadow.

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Rosaceae Potentilla gracilis fastigiata

Coll. No. 438.2, Potentilla gracilis var. fastigiata

Scanned 12 November 2012.

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Coll. No. 438.2, Potentilla gracilis var. fastigiata

Scanned 12 November 2012. The flower at right has been partially dissected to show that the styles are jointed to the top of the ovaries.

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Coll. No. 796, Potentilla gracilis var. fastigiata

Collected late season, but still with unopened buds; heavily infested with aphids. Northwestern Mono Basin, Copper Mountain area, Humboldt-Toiyabe National Forest. (38.0563,-119.2108,WGS 1984.) 9/10/2011 Jordan Spring, Mono County, California.

Scanned 30 Dec 2011.

30 Dec 2011, Coll. No. 796, characters observed while keying: Perennial herb, to 3 dm; Stolons 0; Stem ascending, lightly hairy, hairs similar length; Leaves palmately compound, basal leaves prominent in flowering; Leaflets regular toothed, teeth 11-15, 1/2 toward vein, surfaces similarly hairy; Pedicels 18 mm, straight; Flowers 7-10, in cymes; Sepals 5, < petals; Petals 5, 6 mm wide, slightly 2-lobed; Receptacle in fruit not strawberry-like; Stamens many (> 10); Style jointed to fruit, 2 mm, slender; and Achenes smooth, glabrous, not fleshy coated.

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Rosaceae Potentilla hippiana effusa

Coll. No. 1261, Potentilla hippiana var. effusa

Scanned 29 December 2015.

Coll. No. 1261, 29 Jul 2015, characters observed: Perennial herb, to 40 cm., long straight hairy to wooly throughout, eglandular; Leaves, basal and cauline, basal, compound, stipules, 18 mm., entire, petiole, 50 mm., blade, 50 mm. × 33 mm. wide, obovate, leaflets, #9, 23 mm. × 9 mm. wide, bases decurrent, margin, flat, toothed most of length; Inflorescence, cymose; Bractlets, 3 mm., slightly darker than calyx lobes; Calyx, lobes #5, 5 mm.; Petals, #5, 5 mm. × 4 mm. wide, yellow; Ovary, glabrous; Style, 2 mm., widest at base; Fruit, achene, #10, 1.5 mm. × 1 mm. wide, brown, smooth, glabrous.

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Coll. No. 1261, Potentilla hippiana var. effusa

Scanned 29 December 2015.

Coll. No. 1261, 29 Jul 2015, characters observed: Perennial herb, to 40 cm., long straight hairy to wooly throughout, eglandular; Leaves, basal and cauline, basal, compound, stipules, 18 mm., entire, petiole, 50 mm., blade, 50 mm. × 33 mm. wide, obovate, leaflets, #9, 23 mm. × 9 mm. wide, bases decurrent, margin, flat, toothed most of length; Inflorescence, cymose; Bractlets, 3 mm., slightly darker than calyx lobes; Calyx, lobes #5, 5 mm.; Petals, #5, 5 mm. × 4 mm. wide, yellow; Ovary, glabrous; Style, 2 mm., widest at base; Fruit, achene, #10, 1.5 mm. × 1 mm. wide, brown, smooth, glabrous.

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Coll. No. 1261, Potentilla hippiana var. effusa

Photographed 29 July 2015.

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Rosaceae Potentilla millefolia

Coll. No. 843, Potentilla millefolia

Scanned 20 February 2013.

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Rosaceae Potentilla norvegica

Coll. No. 1500, Potentilla norvegica

Scanned 7 January 2017.

Top of North Table Mountain, on the west side of an ephemeral pond in the northern part of the mesa, beside Mesa Top Trail, near the radio tower, 3.4 km. north of the GNIS location of Golden. 39.7855N, 105.2142W. WGS 1984 Elev. 1968 m.

Coll. No. 1500, 13 July 2016, characters observed: Perennial herb, to 25 cm., erect, ±spreading stiff hairy throughout, 1.5 mm., glands, sparse, obscure; Leaves, cauline, stipules, large, 8 mm. × 4 mm. wide, lanceolate, petiole 19 mm. + blade 22 mm. × 24 mm. wide, ternately compound, leaflets, 3(4); Calyx, sepals, 3.5-4.0 mm. × 2 mm. wide, fused >½; Corolla, petals, free, yellow; 1.5 mm. × 1 mm. wide; Stamens, most seen, #8; Style, 0.7 mm., thickest at base; Achenes, 0.6 mm., tan, minutely papillate.

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Rosaceae Potentilla recta

Coll. No. 1680, Potentilla recta

Photographed 18 December 2017.

Coll. No. 1680, 28 June 2017, characters observed: Perennial herb, to 50 cm., hairy throughout, short (0.3 mm.) hairs glandular, long (4 mm.) hairs straight spreading eglandular; Leaves, stem, 7-8 per stem, alternate, stipules, to 20 mm., lobed, petioles, to 80 mm., blade, palmately compound, leaflets, #5, 45 mm. × 14 mm. wide, lobed ½ to mid-rib, progressively reduced above; Calyx, 9 mm. × 9 mm. wide, flattened at base; Petals, 8 mm., yellow; Style, 1.3 mm., tapered throughout, not appearing warty; Achene, 1 mm., attached laterally, reticulate in color, but not texture. “The long, stiff, spreading, tubercle-based hairs on stems and petioles of P. recta, overtopping a layer of short hairs and glands, also serve to distinguish this aggressive species from native P. gracilis at any stage of the life cycle (FNANM).”

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Rosaceae Potentilla rivalis

Coll. No. 1682.1, Potentilla rivalis

Photographed 21 December 2017.

Coll. No. 1682.1, 28 June 2017, characters observed: Perennial herb, to 60 cm., in very wet places; Stem, erect and branched at base decumbent to ascending, proximal hairs weak, 1 mm., eglandular; Leaves, compound, palmate and ternate, petiole 0-62 mm. + blade 37 mm. × 40 mm. wide, leaflets, 3-5, both sides, green, sericeous, hairs weak; Sepals, 3 mm., green; Petals, 4 mm. × 2.5 mm. wide, yellow; Style, 0.7 mm.; Achene, 0.9 mm., light greenish-brown, smooth, maybe very minutely pappilate.

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Ternate leaf of Coll. No. 1682.1, Potentilla rivalis

Photographed 21 December 2017.

Coll. No. 1682.1, 28 June 2017, characters observed: Perennial herb, to 60 cm., in very wet places; Stem, erect and branched at base decumbent to ascending, proximal hairs weak, 1 mm., eglandular; Leaves, compound, palmate and ternate, petiole 0-62 mm. + blade 37 mm. × 40 mm. wide, leaflets, 3-5, both sides, green, sericeous, hairs weak; Sepals, 3 mm., green; Petals, 4 mm. × 2.5 mm. wide, yellow; Style, 0.7 mm.; Achene, 0.9 mm., light greenish-brown, smooth, maybe very minutely pappilate.

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Rosaceae Potentilla supina paradoxa

Pinnately compound leaf of Coll. No. 1682.2, Potentilla supina ssp. paradoxa

Photographed 21 December 2017.

Coll. No. 1682.2, 28 June 2017, characters observed: Perennial herbs, to 50 cm., in very wet places, not stoloniferous; Leaves, petiole 20 mm. + blade 42 mm. × 23 mm., pinnately compound, leaflets, 9, 15 mm. × 6 mm. wide, margins flat; Sepals, 4 mm., green; Petals, 4 mm. × 2.5 mm. wide, ±=sepals, yellow; Style, 0.6 mm., tapered, Achene, 1 mm., brown, large white protuberance.

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Coll. No. 1682.2, Potentilla supina ssp. paradoxa

Photographed 21 December 2017.

Coll. No. 1682.2, 28 June 2017, characters observed: Perennial herbs, to 50 cm., in very wet places, not stoloniferous; Leaves, petiole 20 mm. + blade 42 mm. × 23 mm., pinnately compound, leaflets, 9, 15 mm. × 6 mm. wide, margins flat; Sepals, 4 mm., green; Petals, 4 mm. × 2.5 mm. wide, ±=sepals, yellow; Style, 0.6 mm., tapered, Achene, 1 mm., brown, large white protuberance.

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Rosaceae Prunus americana

Coll. No. 1598, Prunus americana

Photographed 4 May 2017.

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Coll. No. 1093, Prunus americana

Photographed 30 April 2015.

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Coll. No. 1093, Prunus americana

Photographed 30 April 2015.

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Coll. No. 1598, Prunus americana

Photographed 4 May 2017.

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Rosaceae Prunus andersonii

Coll. No. 502, Prunus andersonii

Photograph taken August 2, 2007.

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Rosaceae Prunus domestica

Coll. No. 1341, a plum, maybe Prunus domestica

Photographed 12 May 2016.

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Flowers of Coll. No. 1341, a plum, maybe Prunus domestica

Photographed 12 May 2016.

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Coll. No. 1341, Prunus domestica

Scanned 9 November 2016.

Coll. No. 1341, 12 May 2016, characters observed; Small tree, to 3 m.; Stem, unarmed; Leaves, alternate, petiole, 3 mm., hairy, 2 glands at base, blade, likely immature, 20 mm. × 8 mm. wide, rhomboid / oblong / lanceolate, simple, bases equal, pinnately veined, margin toothed, hairy, but less on top than bottom; Pedicels, 8-10 mm., hairy below, thining above; Flowers, solitary in axils, perfect; Petals, free, white; Hypanthium, hairy inside; Ovary, superior; Style, 1; Stigma, 2; Fruit, unknown (not an acorn).

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Rosaceae Prunus emarginata

Coll No 744, Prunus emarginata

Photograph taken 15 June 2011.

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Coll. No. 926, Prunus emarginata

Scanned on 28 Feb 2014.

Coll. No. 926, 25 May 2013, characters observed: Woody shrub, 1-2 m.; Stem, glabrous, thorns 0; Leaves, ±evenly distributed on branches, simple, petiole 4 mm. + blade 17 mm. × 8-9 mm. wide, not leathery, margin entire to distally toothed, abaxially glabrous in flower, few hairs on petioles, adaxial leaf surface, and proximal margins, deciduous unknown; Petals, #5, obovate, 10 mm × 5 mm. wide; Ovary inferior, top glabrous; Styles 3; Fruit, unknown (plant in flower).

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Coll. No. 744, Prunus emarginata

Scanned 7 Jan 2012.

Coll. No. 744, 7 Jan 2012, characters observed while keying: Perennial, woody, erect shrub; Twigs with a terminal bud; Leaves alternate, in clusters, simple, entire, obovate, veins pinnate, gland-toothed; Infloresence a short (20 mm) raceme (not an umbel); Sepal entire (not gland-toothed); Flowers 6-8; Hypanthium urn-shaped, slightly narrowed at top; Ovary superior, 2 mm, glabrous; Style 1, 5 mm, linear (not tapered); Pistil 1; Stamens many (obs: 25); and Fruit glabrous.

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Coll. No. 926, Prunus emarginata

Scanned on 28 February 2014.

The thing to see in this image is the glabrous top of the ovary and the three styles.

Coll. No. 926, 25 May 2013, characters observed: Woody shrub, 1-2 m.; Stem, glabrous, thorns 0; Leaves, ±evenly distributed on branches, simple, petiole 4 mm. + blade 17 mm. × 8-9 mm. wide, not leathery, margin entire to distally toothed, abaxially glabrous in flower, few hairs on petioles, adaxial leaf surface, and proximal margins, deciduous unknown; Petals, #5, obovate, 10 mm × 5 mm. wide; Ovary inferior, top glabrous; Styles 3; Fruit, unknown (plant in flower).

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Coll. No. 926, Prunus emarginata

Photographed 20 May 2013.

Coll. No. 926, 25 May 2013, characters observed: Woody shrub, 1-2 m.; Stem, glabrous, thorns 0; Leaves, ±evenly distributed on branches, simple, petiole 4 mm. + blade 17 mm. × 8-9 mm. wide, not leathery, margin entire to distally toothed, abaxially glabrous in flower, few hairs on petioles, adaxial leaf surface, and proximal margins, deciduous unknown; Petals, #5, obovate, 10 mm × 5 mm. wide; Ovary inferior, top glabrous; Styles 3; Fruit, unknown (plant in flower).

Somewhat ambiguous, in that is has some characteristics of A. utahensis, i.e., number of styles and narrow shape of leaf, but absence of hairs on ovary and abaxial leaf suggest A. alnifolia var. pumila.

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Rosaceae Prunus fasciculata

Desert Almond (Prunus fasciculata (Torrey) A. Gray) resprounting after the Hackberry Complex Fire.

Photograph taken October 15, 2005.

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Desert Almond (Prunus fasciculata) at Lobo Point.

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Rosaceae Prunus pensylvanica

Glandular teeth on leaf margin of Coll. No. 1354, Prunus pensylvanica

Microphotographed 19 November 2016.

Coll. No. 1354, 20 May 2016, characters observed: Small tree, to 3 m., branches unarmed; Leaves, petiole, 12 mm., very short hairy, blade, elliptic, 25 mm. × 20 mm. wide, margin, toothed, gland-tipped, veins of young leaves hairy abaxially; Flowers, clusters of 7-8 on pedicels to 14 mm.; Sepals, glabrous, few (2) glands on margins; Hypanthium, glabrous inside; Petals, 5-7 mm., white; Stamens, #12-15; Ovary, superior, glabrous; Style, #1, 4 mm., emerges from top of ovary; Fruit, unknown.

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Coll. No. 1354, Prunus pensylvanica

Scanned 19 November 2016.

Coll. No. 1354, 20 May 2016, characters observed: Small tree, to 3 m., branches unarmed; Leaves, petiole, 12 mm., very short hairy, blade, elliptic, 25 mm. × 20 mm. wide, margin, toothed, gland-tipped, veins of young leaves hairy abaxially; Flowers, clusters of 7-8 on pedicels to 14 mm.; Sepals, glabrous, few (2) glands on margins; Hypanthium, glabrous inside; Petals, 5-7 mm., white; Stamens, #12-15; Ovary, superior, glabrous; Style, #1, 4 mm., emerges from top of ovary; Fruit, unknown.

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Rosaceae Prunus virginiana

Last year's fruit on Prunus virginiana

Photographed 27 March 2017.

Article records that use this photograph:

  • Social Trail (across Upper Washington Avenue Open Space), Golden, Jefferson County, Colorado: at tree.
  • Field Notes: 27 Mar 2017.

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Coll. No. 1340, Prunus virginiana

Scanned 8 November 2016.

FNANM distinguishes two varieties, an eastern var. virginia and a Rocky Mountains and west var. demissa (syn: var. melanocarpa) with plants of the high plains showing intergradation between those of the Rockies and those of the East. Based on measured characters used by FNANM of raceme length, petal length, and leaf shape and dimensions, this specimen is closer to var. virginiana, i. e., the eastern variety than it is to the western variety, i. e., var. demissa (syn: var. melanocarpa).

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Habitat of Coll. No. 1833, Prunus virginiana

Photographed 17 May 2018.

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Coll. No. 1611, Prunus virginiana, below an, as yet, unidentified small tree.

Photographed 15 May 2017.

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Flowers of Coll. No. 1340, Prunus virginiana

Photographed 12 May 2016.

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Coll. No. 1340, Prunus virginiana

Photographed 12 May 2016.

FNANM distinguishes two varieties, an eastern var. virginia and a Rocky Mountains and west var. demissa (syn: var. melanocarpa) with plants of the high plains showing intergradation between those of the Rockies and those of the East. Based on measured characters used by FNANM of raceme length, petal length, and leaf shape and dimensions, this specimen is closer to var. virginiana, i. e., the eastern variety than it is to the western variety, i. e., var. demissa (syn: var. melanocarpa).

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Prunus virginiana

Photographed 27 March 2017.

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Article records that use this photograph:

  • Social Trail (across Upper Washington Avenue Open Space), Golden, Jefferson County, Colorado: at tree.
  • Field Notes: 27 Mar 2017.

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Rosaceae Purshia mexicana stansburyana

Cliff Rose (Purshia mexicana var. stansburyana [Cowania m. v. s]).

Photograph taken in September 1998 along Deer Creek Highway in the Spring Mountains.

Article records that use this photograph:

  • Nevada State Route 158: 18000.

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Collection No. 166, Purshia mexicana var. stansburyana, Stansbury cliffrose.

Grid is 10x10 to the inch.

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Collection No. 166, Purshia mexicana var. stansburyana, Stanbury cliffrose.

Grid is 10x10 to the inch.

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        images/TAS001660det.jpg

Collection No. 166, Purshia mexicana var. stansburyana, Stanbury cliffrose.

Grid is 10x10 to the inch.

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        images/TAS001660oview.jpg

Cliff Rose on the top of Lobo Point.

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Rosaceae Purshia tridentata glandulosa

Desert Bitterbrush (Purshia tridentata glandulosa) resprouting after the Hackberry Complex Fire.

Photograph taken 7-Jun-06. This plant was lightly burned in the Mid Hills Campground.

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Parasite on Bitterbrush.

Photograph taken on August 31, 2002.

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Rosaceae Purshia tridentata tridentata

Coll. No. 475

The grid spacing is 1/4 inch.

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Habitat of Bitterbrush (Purshia tridentata var. tridentata) in Sagehen Meadow.

Photograph taken 2 July 2010.

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Rosaceae Rosa arkansana

Coll. No. 1670, Rosa arkansana

Scanned 16 December 2017.

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Coll. No. 1456, Rosa arkansana

Scanned 18 December 2016.

Coll. No. 1456, 27 June 2016, characters observed: Low-growing perennial, to 20 cm.; Stem, straight slender unequal prickles, present on new growth; Leaves, alternate, compound, leaflets (7-8) 9, 20 mm. × 9 mm. wide, serrate, teeth dark-tipped, unclear whether there is glandular exudate, sparsely villous on both sides; Flowers, in clusters of 2-5; Sepals, 16 mm. × 3 mm. wide, abaxial, stalked glandular, adaxial, glandular hairy; Petals, 28 mm. × 21 mm. wide, color pink.

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New growth of Coll. No. 1670, Rosa arkansana

Scanned 16 December 2017.

The new growth has some armament. In this image, there is one prickle and 5-6 aciculi.

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Rosaceae Rosa woodsii ultramontana

Coll. No. 691, Rosa woodsii var. ultramontana

Scanned 10 Nov 2011.

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Overview of Coll. No. 672, Rosa woodsii var. ultramontana

Scanned 30 Oct 2011.

30 Oct 2011: Characters observed while keying: Shrubs large; Leaves glandless; Leaflet tip rounded (as opposed to truncate); Prickles generally terete, slender, straight or slightly curved; Sepals glandless, tips entire, persistent in fruit (remember the ovary is inferior, so the sepals are on top of the fruit); Petals 10-25 mm (measured 10-19 mm); Pistils >10 (observed 26).

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Detail of Coll. No. 672, Rosa woodsii var. ultramontana

Scanned 30 Oct 2011.

30 Oct 2011: Characters observed while keying: Shrubs large; Leaves glandless; Leaflet tip rounded (as opposed to truncate); Prickles generally terete, slender, straight or slightly curved; Sepals glandless, tips entire, persistent in fruit (remember the ovary is inferior, so the sepals are on top of the fruit); Petals 10-25 mm (measured 10-19 mm); Pistils >10 (observed 26).

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Coll. No. 473, Rosa woodsii var.ultramontana

The grid spacing is 1/4 inch.

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Rosaceae Rubus "Olallie Berry"

Olallie Berries in my backyard.

The Olallie Berry is supposed to be a cross between a boysenberry and an oregon blackberry. Anthough I read that the boysenberry was developed from the California Blackberry (Rubus ursinus).

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Rosaceae Rubus armeniacus

Coll. No. 996, Rubus armeniacus

Scanned 16 July 2013.

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Habitat of Rubus armeniacus

Photographed 16 July 2013.

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Coll. No. 996, Rubus armeniacus

Photographed 16 July 2013.

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Rosaceae Rubus deliciosus

Coll. No. 1091, Rubus deliciosus

Photographed 30 April 2015. The shrub on the left is Ribes cereum.

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Coll. No. 1091, Rubus deliciosus

Photographed 30 April 2015.

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Coll. No. 1091, Rubus deliciosus

Photographed 30 April 2015.

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Rosaceae Rubus ulmifolius anoplothyrsus

Coll. No. 998, Rubus ulmifolius var. anoplothyrsus

Photographed 16 July 2013.

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Coll. No. 997, Rubus ulmifolius var. anoplothyrsus

Scanned 16 July 2013.

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Date and time this article was prepared: 5/21/2019 6:21:07 PM