Eastern Mojave Vegetation Coll. No. 1561, Elymus virginicus  
 

 

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  Poaceae Elymus virginicus
Scanned 24 January 2017.

Golden, Jefferson County, Colorado. Parkway at 420 Arapahoe Street. 39.7613N, 105.2286W. WGS 1984 Elev. 1755 m. Adventive grass in garden; perhaps introduced with seed of Sorghastrum nutans.

Coll. No. 1561, 4 Sep 2016, characters observed: Annual or perennial unknown (s/b perennial); Rhizomes unknown (s/b absent); Culm, erect, dark purple below; Inflorescence, terminal, spike, bilateral, exserted above leafy portion of plant; Disarticulation unknown (s/b rachis not disarticulating, in Elymus the rachis generally remains articulate); Spikelets, in pairs at each node; Glumes, #2, held away from florets, body 10 mm. + awn 4-5 mm. = 14-15 mm., veins 5 (2 ±obscure) at midlength, awn single (not split); Florets, #4-5, fertile; Lemma, lowest (adjacent to glume), body 7 mm. + awn 7 mm. = 14 mm., body, veins, 5 (2 ±obscure), awn straight;

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Date and time this page was prepared: 11/9/2019 7:46:14 PM