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Taiwan Gramineae | Family List | Poaceae | Brachiaria

Brachiaria villosa (Lam.) A. Camus, Fl. Indochine. 7: 433. 1922; Hsu, Fl. Taiwan 5: 534. 1978.

毛臂形草

Brachiaria villosa
Taiwan Grasses

Credit: CC Hsu

Panicum villosum Lam., Tabl. Encycl. 1: 173. 1791.
Urochloa villosa (Lam.) T.-Q. Nguyen, Novosti Sist. Vyss. Rast. 13: 14. 1966; Veldkamp, Blumea 41: 431. 1996.

Annuals; culm slender, usually decumbent and and branching below, 10-35 cm tall, nodes more or less pubescent. Blades ovate-lanceolate, subcordate, 3-5 cm long, 3-10 mm wide, densely pubescent on both surfaces, one of margins undulate, other side pectinate-scabrous. Inflorescence of racemose racemes, racemes 4-8, 4-6 cm long; rachis more or less villose, scabrous on ridges; pedicels pubescent and bearing stiff hairs as much as 0.5 mm long. Spikelets tomentose, light green but turning light yellow when mature, 2.2-2.5 mm long; lower glume 3-veined, ca. 1/2 as long as spikelet, triangular, acute to obtuse; upper glume and lower lemma equal, acute, 5-7-veined; lower lemma 5-veined, mucronate, enclosing a well developed palea; upper lemma pale, elliptic, mucronate, longitudinally striate and minutely papillose-rugose; anther ca. 1.1 mm long.

ILAN: Nanshen, Kuoh s. n. TAIPEI: Shimen, Chuang 3389. HSINCHU: Shinchu, Utida , s. n. TAICHUNG: Wushe, Sasaki 380233. PINGTUNG: Oluanpi, Yamamoto s. n. TAITUNG : Peinan, Sasaki s. n.; Lanyu Is., Kawakami et al. 2345. 4. CENCHRUS L.

The tropics of southeastern Asia and China. Taiwan, open waste places and on hill.


 

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