生活型

herb

形態特徵

• Culms tufted, 35-70 cm tall, 1-1.5 mm in diam.
• Blades 5-15 cm long, 1-2 mm wide, convolute; ligule membranaceous, truncate, 0.5-1 mm long. Panicle narrow, 10-30 cm long, with several appressed-ascending branches.
• Spikelets 3-7-flowered, 7-10 mm long; glumes chartaceous, unequal; lower glume deltoid-lanceolate, 1.5-2 mm long, 1-nerved; upper glume narrowly lanceolate, 3-nerved, 5-7 mm long.
• Floret narrowly lanceolate, with a long awn, lowest one 6 mm long; lemma chaffy, narrowly lanceolate, 5-nerved, as long as floret, attenuate and awned at apex, awn straight and 8-15 mm long; palea chaffy, linear-lanceolate, 2-keeled, hispid along keels.

分布

• 台灣 : in large clump at roadside in the high mountains; very common.
• 世界 : Native of Europe and western Asia, now widespread worldwide.

引證標本

ILAN: Nanhutashan, Kuoh 14125. TAICHUNG: Lishan, Hsu & Kuoh 7105; Pahsienshan, Hsu 428. NANTOU: Provincial road 14 chia 22K, Wu 20021. CHIAYI: Alishan, Hsu & Chuma 8875; Tungpu, Hsu 6377. KAOUHSIUNG: Zinjinchiao, Kuoh 15142.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 389. 2000.  (Fl. Taiwan 2nd edit.)