生活型

herb

形態特徵

• Rhizome ascending, loosely tufted. Culms erect, 40-80 cm tall, smooth.
• Leaves several, 2-4 mm wide, soft, light green; sheaths long, pale or pale green, basal sheaths scale like, brownish.
• Spikes 6 to 11, sessile, gynaecandrous, with few staminate flowers at base, distantly alternate on elongated rachis, especially lower 3 or 4 very spaced, sometimes uppermost 2 or 3 close together, ovoid to ellipsoid, 6-15 mm long, ca. 4 mm across, greenish, closely bearing over 20 flowers. Bracts several, sheathless; lower bracts leafy, elongated.
• Glumes oblong to ovate, acute at apex, 3 mm long, pale. Utricles suberect, ovate, 4 mm long, compressed, light green, several-veined on dorsal side, hardly veined on ventral side, narrowly winged and scabrous on upper margins, beak long, minutely bidentate. Achenes rather tightly contained, ovate, lenticular, 1.5-2 mm long; style slender, slightly thickened at base; stigmas 2.

分布

• 台灣 : grassy place at mid to high elevations.
• 世界 : India, China, Japan, Sumatra and Java.

引證標本

CHIAYI: Alishan, Faurie s. n. 1914, Kuoh 14379; Yushan, Chuang & Kao 4080.

引用文獻

• KOYAMA, Tetsuo, KUOH, Chang-Sheng & LEONG, Wai-Chao, Flora of Taiwan, second edition 5: 229. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)