九峰山披碱草 jiu feng shan pi jian cao

Roegneria alashanica Keng var. jufinshanica C. P. Wang & H. L. Yang, Bull. Bot. Res., Harbin 4(4):87. 1984; R. jufin-shanica (C. P. Wang & H. L. Yang) L. B. Cai.

Culms laxly tufted, usually geniculate at base, 70–90 cm tall. Leaf sheath usually longer than internode, glabrous; ligule 0.5–1 mm, apex truncate; leaf blade linear, usually involute, 8–18 × 0.1–0.15 cm, abaxial surface usually glabrous, adaxial surface usually villous. Spike erect, 12–15 cm; rachis subglabrous on back, margin ciliate. Spikelets 1 per node, yellowish, 13–18 × 2–3 mm, with 3 or 4 florets; rachilla densely pubescent. Glumes oblong-lanceolate, 3–5-veined, densely pubescent adaxially, apex acuminate; proximal glume 9–11 mm; distal glume 11–12 mm. Lemma lanceolate, subglabrous; first lemma ca. 11 mm; awn ca. 5 mm. Palea shorter than lemma. Anthers yellow, 1.5–2 mm. Fl. and fr. late summer.

* Mountain slopes; ca. 2200 m. Nei Mongol.