野燕麥

Culms 30-60 cm tall. Blades linear, 10-15 cm long by 5-15 mm wide; ligule chartceous, tongue-shaped, minutely hispid on backside, 2.5 mm long. Panicle open, compound, about 10-30 cm long. Spikelets nodding, with more than 2 florets, falling off when mature, 1.4-3 cm long; glumes chartaceous, nearly equal, rounded on the backside; the lower 11-nerved, sometimes connected with tessellate nerves; the upper 9-nerved, aute; lemma densely bearded on backside, with a long geniculated awn arising from the backside; palea flattened, 2-keeled, margins ciliate. Caryopsis hairy; hilum linear.

TAIPEI: Taipei NTU campus, Liu s. n. Apr. 16, 1961.

Native to Europe and Western Asia, widely spread in all Eastern Asia.