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Taiwan Gramineae | Family List | Poaceae | Avena

Avena fatua L., Sp. Pl. 80. 1753. Hsu, Fl. Taiwan 5: 407. 1978; Koyama, Grass. Jap. Neighb. Reg. 146. 1987.


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.


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