宽叶披碱草 kuan ye pi jian cao

Roegneria platyphylla Keng, Acta Univ. Nankin. Sci. Nat. 1963(1): 35. 1963.

Culms erect, 60–100 cm tall. Leaf sheath smooth, glabrous; leaf blade flat, 5–18 × 0.5–1.2 cm, rigid, abaxial surface glabrous, but scabrous along veins, adaxial surface pilose. Spike erect, usually secund, dense, 8–13 cm. Spikelets 1 per node, greenish, 18–24 mm excluding awns, with 6 or 7 florets. Glumes lanceolate, 5–7(–9)-veined, scabrous or hispidulous along veins, apex pointed; proximal glume 10–12 mm; distal glume 11–15 mm. Lemma lanceolate, pubescent throughout; first lemma 10–12 mm; awn erect, 7–14 mm. Palea subequaling lemma, puberulent abaxially, setiform ciliate along keels distally, apex emarginate or truncate. Anthers ca. 3 mm. Ovary hirsute. Fl. and fr. late summer.

* Meadows. Xinjiang.

Löve (Feddes Repert. 95: 456. 1984) did not previously validly publish the combination Elymus platyphyllus; see the note following the genus description above.