Eastern Mojave Vegetation Coll. No. 3089, Symphyotrichum spathulatum.  
 

 

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If you have a question or a comment about this photograph you may write to me at: tomas@schweich.com I sometimes post interesting questions in my FAQ, but I never disclose your full name or address. 		  Asteraceae Symphyotrichum spathulatum
Photographed 3 January 2024.

Plants of Colorado
Asteraceae

Symphyotrichum spathulatum (Lindl.) G. L. Nesom.  Western Mountain Aster.

Salt Creek, Park County, Colorado. Terrace above Salt Creek, just off Forest Road 435 “Salt Creek Road,” 2.8 mi. by road west of US Highway 285, 111 km. southwest of Golden. 38.9572°N, 106.0044°W. WGS 1984 Elev. 2822 m. Dry, lightly shaded, terrace above the creek. Also collected here: Lappula occidentalis, Astragalus hallii, and seen: Dodecatheon pulchellum, and Iris missouriensis. Variety spathulatum, if infraspecific names are to be applied.

Collected by permit: Pike San Isabel National Forest, 2023, issued: Jul 1, 2023, to: Tom Schweich.

Tom Schweich 3089. 17-Jul-2023

Coll. No. 3089, 17 July 2023, characters observed: Perennial herb, 18 cm.; Stem, ascending, glabrate, pilose below heads, hairs multicellular with clear crosswalls, glandular immediately below head; Leaves, basal, petiole, 22 mm., blade, 40 mm. × 8 mm. wide, oblong / elliptical / oblanceolate, cauline, reduced, 33 mm. × 4 mm., sessile, linear-lanceolate, sparsely pilose, margins, entire, closely appressed ciliate; Inflorescence, 1-5 heads per stem; Phyllaries, in 3± series, chartaceous proximally, green distally, midvein green, tips, acute; Flowers, of 2 kinds; Ray flowers, tube 2 mm. + blade 9 mm. × 2 mm. wide, blue, fertile; Disk flowers, many, yellow; Pappus, in two series, very short hairs and well-developed bristles, pappus of ray and disk flowers alike.

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Date and time this page was prepared: 11/3/2024 5:39:39 PM