Eastern Mojave Vegetation Inflorescence of Coll. No. 1807, Poa fendleriana  


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  Poaceae Poa fendleriana
Scanned 7 August 2018.

Plants of Jefferson County Open Space
Jefferson County, Colorado

Poa fendleriana (Steud.) Vasey.  Muttongrass.

North Table Mountain Park, Jefferson County, Colorado. Lowest eastern slopes of North Table Mountain, beside the Lithic Trail about mid-way between the Fairmont Ditch and North Table Loop, 3.80 km. northeast of the GNIS location of Golden, 39.7818N, 105.1927W. WGS 1984 Elev. 1777 m. "Reddish stems," actually reddish proximal sheaths, attracted me from trailside.

Collected by permit: Jefferson County Open Space, 2018, issued: Mar 1, 2018, to: Tom Schweich.

Tom Schweich 1807. 7-May-2018

Coll. No. 1807, 7 May 2018, characters observed: Perennial grass, 50-60 cm., clumped, not rhizomatous; Roots, fibrous; Stems, herbaceous; Internodes, hollow, glabrous; Leaves, blade and sheath differentiated; Sheath, 120 mm., open at least ½, minutely scabrous, reddish color proximally; Ligule, membraneous, 2 mm., auricles absent; Blade, 25 mm., scabrous, margin scabrous; Inflorescence, 1 per culm, > leaves, panicle, 110 mm. × 20 mm. wide, spikelets many; Rachis, sparsely scabrous on all sides, not extended beyond upper spikelet; Spikelets, many, similar, borne singly, one per node, stalked, 6 mm.; Compression, lateral; Disarticulation, above the glumes; Glumes, lower 3.7 mm., upper 4.3 mm., veins 3(5); Florets, 5-6 per spikelet, pistillate; Axis, hairy, extended beyond upper floret; Lemma, 5 mm., > glumes, membraneous, keeled, keel and margin are villous proximally, hairs to 0.7 mm., veins definitely ≥3, maybe 5, parallel, tip entire, obtuse; Palea, 2.5 mm., <lemma, proximally villous, keels ciliate, margin glabrous; Stamens, none found; Ovary, glabrous, yellow-brown; Stigma, feathery;

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Date and time this page was prepared: 6/16/2024 11:58:00 AM