生活型

herb

形態特徵

• Loosely tufted perennials. Rhizome knotty. Roots forming spindle shaped storage enlargements. Culms tufted, erect, 0.3-1.5 m tall.
• Blades pseudo-petiolate, lanceolate, tessellately veined, 6-30 cm long, 1-5.6 cm wide, covered with long hairs; ligule 0.5 mm long, backside hispid.
• Panicle loose, outline elliptic, 10-45 cm long, branches 1-3-nate, patent. Spikelets with 1 perfect and 3-7 neutral florets, terete, 5-13 mm long, sessile.
• glumes subcoriaceaous, tessellate nerved; lower glume 3-4.5 mm long, 5-nerved, apex acute; upper glume 4-6.5 mm long, 7-nerved, apex rounded, siliceos, first lemma subcoriaceous, 4.5-6 mm long, apex obtuse, siliceous, 7-9-nerved, shortly awned; palea hyaline, lanceolate, 2-keeled, 4-5.5 mm long. Caryopsis 3.5 mm long.

分布

• 台灣 : a common forest grass of dry ground from low to medium elevations.
• 世界 : India to Japan, central and southern China, and Malesia.

引證標本

TAIPEI: Yangti, Kuo 1580; Nankang, Chuang 4661. TAICHUNG: Kankoutzu, Kao 30163; Sun-moon Lake Chen, 15151. NANTOU: Hueisun Rhododendron area, Kuoh 13038; Wushe, Kuoh 10910. CHIAYI: Jenwnenshuiku, Kuoh 10166. KAOHSIUNG: Sanping Nanhonshan, Kuoh 15450. PINGTUNG: en route Hongkan to Taitung, 471.5 K, Kuoh 15532; Chufengpi, Kuoh 10214; Najenshan, Kuoh 10160. TAITUNG: Lanyu Is., Fukuyama 136, Hsu 12330; Kuoh 14960.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 334. 2000.  (Fl. Taiwan 2nd edit.)