生活型

herb

形態特徵

• Rhizome short, densely tufted. Culms slender, 7-60 cm tall, trigonous, smooth.
• Leaves many, 1.5-2.2 mm wide, smoothish; basal sheaths brown. Inflorescence pyramid to oblong, 1.5-3 cm long.
• Spikes many, sessile, 5-7 mm long, 4-6 mm wide, androgynous with a few staminate flowers and densely disposed 8 to 15 pistillate flowers. Bracts several, lowest leafy, 2-15 cm long, sheathless, other bracts scale-like.
• Pistillate glumes ovate, 3 mm long, awnless, pale green and stained with brown. Utricles slightly surpassing glume, 4-4.25 mm long, erect to erect-patent, ovate, plano-convex, lower part pale brown, several-nerved, obtuse at base, upper part brownish green to green, upper margins narrowly winged and serrulate, beak flattened, weakly incurved, minutely bidentate. Achenes loosely contained, ovate, biconvex, 1.5 mm long; stigmas 2.

分布

• 台灣 : in wet grassy place, 2,200-3,200 m.
• 世界 : Sri Lanka, India, the Himalaya, China, Japan and southeastern Asia.

引證標本

ILAN: Chialo Lake, Leong 1214. HSINCHU: Tapachienshan, Kuoh 14436. TAICHUNG: Tahsueshan, Kuoh 10552. NANTOU: Patungkuan, Kuoh 14490. CHIAYI: Shangtungpu. Chen 11294. KAOHSIUNG: Tienchi, Kuoh 12036. TAITUNG: Sanchashan, Chen 15062. HUALIEN: Tafanchi, Chen 16441.

參考文獻

• KOYAMA, Tetsuo, KUOH, Chang-Sheng & LEONG, Wai-Chao, Flora of Taiwan, second edition 5: 223. 2000.  (Fl. Taiwan 2nd edit.)