林地披碱草 lin di pi jian cao

Roegneria sylvatica Keng & S. L. Chen, Acta Univ. Nankin. Sci. Nat. 1963(1): 36. 1963.

Culms laxly tufted, erect or slightly decumbent at base, ca. 100 cm tall. 4- or 5-noded. Leaf sheath smooth, glabrous; leaf blade flat, 13–25 × 0.6–0.9 cm, soft, glabrous. Spike rather dense, 7.5–8.5 cm. Spikelets 1 per node, 12–14 mm, with 3 florets. Glumes lanceolate, 8–10 mm, 3–5-veined, scabrous, margin narrowly membranous, apex acute, pointed, or with awn 1–2 mm. Lemma hirsutulous, margin narrowly membranous, apex narrowed with short awn 1–3 mm, sometimes with a tooth below apex; first lemma 9–11 mm. Palea subequaling lemma, densely ciliolate along keels distally, puberulent between keels, apex emarginate. Fl. and fr. summer.

* Forests; 1800–3300 m. Qinghai, Xinjiang.