California Polytechnic State University, Robert F. Hoover Herbarium (OBI)
OBI148143
58c2c81e-6384-4bdf-abaf-65108f689544
Elymus trachycaulus (Link) Gould ex Shinners
Poaceae
Slender Wheatgrass
Tom Schweich
1999
2018-07-24
24-Jul-18
United States, Colorado, Lake, Brumley; On a terrace beside the North Fork of Lake Creek, between Twin Lakes and Independence Pass, about 11 mi. generally west on Colorado Highway 82 from the town of Twin Lakes.
39.08949042 -106.5418232 WGS 1984
3214 meters (10542ft)
Perennial grass, 60 mm, clumped; leaves, sheath 85-115 mm, open, glabrous, margin of sheath glabrous, ligule membranous 0.5 mm, auricles 0.5-1.0 mm, blade 52-115 mm x 3.5 wide, flat to revolute, scabrous; inflorescence 1 per culm >leaves, 120 mm x 8 mm wide, panicle, single spikelets on alternating sides of rachis; rachis not extended, scabrous on margins, internodes 3.2-3.5 mm; spikelets many, 12 mm x 2 mm wide, similar, 1 per node, sessile, overlapping 5 mm; compression unremarkable; disarticulation between florets; glumes, lower 8 mm, veins #5, upper 9 mm, glumes, lanceolate, rolled, scabrous, green, veins, #5, margins scarious, tip sharp-pointed if an awn then 1 mm; Palea 7,5 mm,
Plants of Colorado. Brumley was a stage stop on the route across Independence Pass.