生活型

herb

形態特徵

• Rhizome short, densely tufted, sometimes with elongating stolon. Culms erect, 35-50 cm tall, , trigonous, scabrous.
• Leaves several, 3-5 mm wide, basal sheaths purplish brown or brown.
• Spikes 4-9, subfastigiate; terminal spike staminate, linear, 8-12 cm long; lateral spikes pistillate or androgynous, linear 5-10 cm long, subdensely many-flowered. Lower bracts sheathing with setaceous blade; upper bracts scale-like, not sheathing.
• Staminate glumes dull, sparsely hispidulous; Pistillate glumes lanceolate to oblong, 3-5 mm long, golden brown, acute at apex. Utricles longer than glume, erect, lanceolate, flattened-trigonous, 5-8 mm long, finely many-veined, sparsely pubescent, long stipe at base; beak long, deeply 2-cleft. Achenes oblong, ca. 2 mm long, with a long, filiform stipe 2-3 mm long; style slender; stigmas 3.

分布

• 台灣 : in open grassy place at high elevations.
• 世界 : The Ryukyus.

引證標本

CHIAYI: Longmei to Tsaoshan, Peng 10070. HUALIEN: Fuyuan, Wang 15380.

引用文獻

• KOYAMA, Tetsuo, KUOH, Chang-Sheng & LEONG, Wai-Chao, Flora of Taiwan, second edition 5: 218. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)