异芒披碱草 yi mang pi jian cao

Culms erect, 80–115 cm tall. Leaf blade flat, 0.4–0.7 cm wide, glabrous, scabrous, or adaxial surface pilose along veins. Spike erect or nodding, 10–20 cm; rachis with short bristles. Spikelets 1 per node, somewhat remote, green or slightly tinged, 15–30 mm, with 4–11 florets; rachilla appressed pilose. Glumes lustrous green, lanceolate or linear-lanceolate, subequal, 11–16 × 2–3 mm, 5–9-veined, very scabrous, margin scarious, apex acuminate, often asymmetric and 1-toothed. Lemma lanceolate, 9–13 mm, scabrous-hairy, apex 1-toothed; awn sometimes recurved, 3–35 mm or reduced to a cusp ca. 1 mm. Palea shorter than lemma, apex truncate or subobtuse. Anthers 3–7 mm. Fl. and fr. Jun–Sep. 2n = 28.

Mountain slopes, river banks; ca. 1300–2700 m. Xinjiang [Kazakhstan, Kyrgyzstan, Mongolia, Russia, Turkmenistan, Uzbekistan].