生活型

herb

形態特徵

• Annuals; culms stout, to 10 mm in diam., less than 120 cm high.
• Blades linear, acuminate, scabrous, 10-40 cm long, 10-20 mm wide, margins cartilaginous, white; ligule absent; sheath glabrous, loose, shorter than internode. Panicle erect, main axis ridged, stout, ridges scabrid, tubercle bristled; branches curved, densely flowered.
• Spikelets usually purplish, broadly ovate, 3-4 mm long, awnless or sometimes mucronate; lower glume small, 1/3-3/5 as long as spikelet; upper glume slightly shorter than spikelet, usually awn-tipped, lower lemma staminate; upper floret protruding above glumes when mature, mucronate, smooth and shining, margins inrolled, enveloping upper palea, but upper part free.

分布

• 世界 : Widely cultivated in the warmer parts of Asia and Africa.

引證標本

TAIPEI: Taipei, Shimada 718.

引用文獻

• LIU, Ho-Yih, Flora of Taiwan, second edition 5: 476. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)