生活型

herb

形態特徵

• Annuals; clum tufted, 40-100 cm high, base branching.
• Blade 10-30 cm long, 8-20 mm wide, upper surface usually with long scattered hairs; sheath margins cilate; ligule a ring of hairs, ca. 1.5 mm long.
• Panicle contracted, cylindrical, 5-10 cm long, main axis ciliate, nodding when mature, with sterile bristle-like branches subtending spikelet. Spikelets ovate, obtuse, ca. 2.6 mm long; lower glume 8-20 mm long, 3-veined; upper glume 1/3-1/2 as long as spikelet, broadly ovate, 5-veined; lower lemma equaling spikelet, enclosing a lower palea of smaller size, 7-veined; upper lemma ovate, obtuse, densely and finely punctate, more or less shiny; anther ca. 0.8 mm long.

分布

• 台灣 : in open fields.
• 世界 : Vietnam, China and Japan.

引證標本

TAIPEI: Chihsingshan, Murakami 22. TAITUNG: Lanyu Is., Kawakami & Sasaki s. n.; Lutao Is., Kawakami & Kobayasi 750.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 510. 2000.  (Fl. Taiwan 2nd edit.)