All Floras      Advanced Search
FOC Vol. 22 Page 404, 425 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 22 | Poaceae | Elymus

77. Elymus barbicallus (Ohwi) S. L. Chen, Bull. Nanjing Bot. Gard. 1987: 9. 1988.

毛盘草 mao pan cao

Culms laxly tufted, 40–100 cm tall, 4- or 5-noded, glabrous, or puberulent below nodes; nodes glabrous or white pilose. Leaf sheath glabrous or outer margin ciliate; leaf blade 15–30 × 0.3–0.8 cm, both surfaces glabrous or scabrous, or abaxial surface scabrous and adaxial surface pilose. Spike erect or slightly nodding, 18–22 cm. Spikelets 1 per node, green, 15–25 mm excluding awns, with 5–8 florets. Glumes lanceolate or oblong-lanceolate, apex acute or acuminate; proximal glume 7–14 mm, 3–5-veined; distal glume 8–14.5 mm, 5–7-veined. Lemma 8–13 mm, glabrous only abaxially, but scabrous near base, margin, and along veins; callus with hairs 6–10 mm; awn straight, 20–30 mm. Palea slightly shorter than to equaling lemma, ciliolate along keels distally, hispidulous between keels distally, apex emarginate or rounded. Anthers yellowish. Ovary hirsute. Fl. and fr. May–Jul. 2n = 28*.

* Forest margins, mountain slopes, valleys, river banks; 1300–1700 m. Hebei, Nei Mongol, Ningxia, Qinghai, Shanxi.

1 Culms puberulent below nodes, nodes white pilose; leaf sheath outer margin ciliate; glumes 10–14.5 mm; lemma 12–13 mm.   77c var. pubinodis
+ Culms, nodes, and leaf sheaths glabrous; glumes 7–12 mm; lemma 8–10 mm   (2)
2 (1) Leaf blade 0.6–0.8 cm wide, both surfaces glabrous or scabrous; palea equaling lemma.   77a var. barbicallus
+ Leaf blade 0.3–0.7 cm wide, abaxial surface scabrous, adaxial surface pilose; palea slightly shorter than lemma.   77b var. pubifolius


Flora of China @
Browse by
Advanced Search

Flora of China Home




 |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |