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Avena fatua Linn., Sp. Pl. 1:80. 1753. Boiss., Fl. Or. 5:543. 1884; Duthie, Fodder Grasses 51. 1888; Hook.f., Fl. Brit. Ind. 7:275. 1896; Bor, Fl. Assam 5:130. 1940; Sultan & Stewart, Grasses W. Pak. 2:281. 1959; Bor, Grasses Burma Ceyl. Ind. Pak. 434. 1960; Bor in Towns., Guest & Al-Rawi, Fl. Iraq 9:334. 1968; Bor in Rech.f., Fl. Iran.70:326. 1970; Tzvelev, Poaceae URSS 239. 1976; Rocha Afonso in Tutin et al., Fl. Eur. 5:207. 1980.
Avena sativa var. sericea Hook.f.
Annual; culms 30-150 cm high, erect or geniculately ascending, stout, simple. Leaf-blades 10-45 cm long, 3-15 mm wide, glabrous, rough; ligules up to 6 mm long. Panicle nodding (sometimes subsecund), narrowly to broadly pyramidal, 10-40 cm long and up to 20 cm wide, loose with rough spreading branches. Spikelets pendulous, 18-30 mm long, 2-3-flowered, the rhachilla articulated beneath each floret; glumes lanceolate, finely acute; lemmas 12-25 mm long, densely bearded around the callus with hairs up to 4 mm long, stiffly hairy (or completely glabrous) and finally brown in the lower two-thirds, green and rough above, unequally and shortly 2-4-toothed at the apex; awn 2.5-4 cm long, geniculate, the column dark brown.
Lower Taxa
Related Synonym(s):
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