生活型

herb

形態特徵

• Culms tufted with scaly, creeping rhizomes, 50-150 cm tall, glabrous.
• Blades 15-30 cm long, 0.8-1.5 cm wide, glabrous. Sheath cylindrical; ligule acute, 2-3 mm long.
• Panicle branched, 5-40 cm long; lobed and branched at base, branches erect to spreading. Spikelets ovate, 3-flowered, compressed, ovate, 3.5-7.5 mm long; glumes equal, as long as spikelet, 3-nerved, apex acute, folded, keel usually wingless or inconspicuously narrowly winged.
• Fertile lemma 2.7-4.5 mm long, weakly 5-nerved, shiny, sparingly pubescent; palea lanceolate, 2-nerved; sterile lemma vestigial, pilose.

分布

• 世界 : Widely distributed in the temperate parts of the northern Hemisphere.

引證標本

CHIAYI: Alishan, Hsu 7443.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 358. 2000.  (Fl. Taiwan 2nd edit.)