中华披碱草 zhong hua pi jian cao

Plants laxly tufted or with very short rhizome. Culms erect or geniculate at base, 60–90 cm tall, glabrous throughout. Leaf sheath glabrous; leaf blade involute, 6–22 × (0.1–)0.3–0.7 cm, stiff, abaxial surface glabrous, adaxial surface pilose. Spike erect, 8–13 cm. Spikelets 1 per node, 13–15 mm, with 4 or 5 florets. Glumes oblong-lanceolate, usually oblique, 3–5-veined, apex acute or with awn 1–3 mm; proximal glume 7–8 mm; distal glume 8–10 mm. Lemma oblong-lanceolate, laxly puberulent abaxially; first lemma ca. 9 mm; callus with hairs 0.1–0.4 mm; awn erect or slightly recurved, 10–18 mm. Palea equaling lemma, apex emarginate or truncate, setiform ciliate along keels distally, puberulent between keels distally. Fl. and fr. Jul–Aug.

* Forest margins, mountain slopes, valleys, roadsides; 800–3800 m. Gansu, Henan, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, Sichuan, Xinjiang, Yunnan.