Elymus alpinus

Description

Culms erect,25–35 cm tall,usually 5-noded.Leaf sheath usually longer than internode,glabrous;ligule ca.0.3 mm,apex usually truncate;leaf blade flat or slightly involute,6–10 × 0.3–0.5 cm,both surfaces glabrous,margin ciliate.Spike erect or slightly flexuose,4–6 × ca.0.9 cm;rachis glabrous,but margin ciliolate;internodes 2–3 mm.Spikelets (1 or)2 per node,green,10–12 mm,with 3 or 4 florets;rachilla densely puberulent.Glumes narrowly lanceolate,subequal,3–4 mm,1–3-veined,scabrous along midvein,apex acuminate.Lemma lanceolate,abaxially pubescent;first lemma 7–8 mm;awn slender,3–7 mm.Palea slightly longer than lemma,ciliolate along keels distally,puberulent between keels.