生活型

herb

形態特徵

• Rhizome short, densely tufted. Culms filiform, erect or more or less recurved, 6-30 cm tall, obtusely trigonous.
• Leaves 2-5 mm wide, subcoriaceous, some what recurved; sheaths short, brownish.
• Spikes 2 to 4, subfastigiate or lowest much spaced from rest; terminal spike staminate, linear, 2-6 mm long, palebrownish; lateral spikes pistillate, ovoid to oblong, 5-20 mm long, laxly several-flowered, subsessile or short peduncled. Bracts short sheathing; lowest 1 or 2 with leafy blade, generally briefly surpassing inflorescence.
• Pistillate glumes ovate, ca. 2 mm long, pale to light brown, short cusp at apex. Utricles much longer than glume, suberect, rhomboid, 3.5-4.5 mm long, trigonous, greenish to olivaceous, finely many-veined, sparsely pubescent, short-stipitate at base, beak short, shallowly constract at base, minutely bidentate. Achenes tightly enveloped, rhoboid to oblong, triquetrous, 2.5-3 mm long, truncate at apex; style enlarged at base; stigmas 3, short.

分布

• 台灣 : in open place at mid to high elevations.

引證標本

HSINCHU: Tapachienshan, Chang s. n. 1983. TAICHUNG: Tahsueshan, Kuoh G278 (NCKU 1183). NANTOU: Luantashan, Kawakami & Hayata 7061. KAOHSIUNG: Tienchi, Liang 261. PINGTUNG: Kutziluanshan, Leong 1414. TAITUNG: Taitung, Lu 20501.

引用文獻

• KOYAMA, Tetsuo, KUOH, Chang-Sheng & LEONG, Wai-Chao, Flora of Taiwan, second edition 5: 223. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)