生活型

herb

形態特徵

• Perennials, culms erect, tufted, 40-180 cm tall, unbranched.
• Blades glabrous, 10-60 cm long, 5-15 mm wide, nerves prominent above; sheath with narrow crescent shaped auricles at mouth; auricles usually ciliate on margins; ligules 1-2 mm tall.
• Panicle 10-30 cm long; branches usually paired, longer one with more spikelets than shorter one. Spikelets 3-10-flowered, 8-17 mm long.
• glumes unequal; lower glume 1-nerved, 3-6 mm long, upper glume 3-nerved, 5-7 mm long; lemmas 5-nerved, 6-7 mm long, back obtusely keeled, apex muticous or awned, awn straight, 1-4 mm long; paleas as long as lemmas. Anther 3-4(-6) mm long.

分布

• 世界 : Native to Eurasian, and naturalized in Japan, Korea, China, and North and South America.

引證標本

MIAOLI: Sishishan, Kuo 8534. TAICHUNG: Anmashan 210 Line 16K, Kuo 9665. NANTOU: Tatachia, Kuoh s. n. 17 Sep 2000.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 376. 2000.  (Fl. Taiwan 2nd edit.)