生活型

herb

形態特徵

• Rhizome ascending to short creeping, without stolon, densely tufted. Culms one to serveral, central or lateral, 20-60 cm tall, slender, trigonous, smooth.
• Leaves rather many; blades 3-12 mm wide.
• Spikes 3 or 4; terminal spike staminate, linear, 3-10 cm long; lateral spikes pistillate, 2-4 cm long, ca. 3 mm wide, subdensely many-flowered, erect. Bracts long sheathing; blades short.
• Pistillate glumes ovate, 2.5-3 mm long, obtuse to acute at apex, whitish to light brown, with hyaline margins. Utricles longer than glume, erect-patent, ovoid to fusiform, 2.5-4 mm long, obtusely trigonous, finely many-veined, yellowish green to yellowish brown, sparsely pubescent, contracted at short stipitate base, beak some what recurved, shallowly bidentate. Achenes tightly inclosed, ovate, trigonous, ca. 2 mm long, mitrate at apex; style slightly enlarged at base; stigmas 3.

分布

• 台灣 : forest floor, not common.
• 世界 : Japan, the Ryukyus and Luzon.

引證標本

TAIPEI: Tatungshan, Leong 1162. ILAN: Fushan, Hsiao 1157. TAICHUNG: Chiyuan lodge to 3050 Forest road, Yang 1701. KAOHSIUNG: Southern Cross-Island Highway, Kuoh 14714. PINGTUNG: Lilungshan, Leong 795. TAITUNG: Nokogao, Ohwi 3142.

引用文獻

• KOYAMA, Tetsuo, KUOH, Chang-Sheng & LEONG, Wai-Chao, Flora of Taiwan, second edition 5: 235. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)