生活型

herb

形態特徵

• Rhizome short, ascending, densely tufted. Culms 60-100 cm tall, 3-6 mm thick.
• Leaves many, basal or subbasal, 7-15 mm wide, puberulent on lower surface; sheaths purplish brown.
• Spikes frequently 4; terminal spike staminate, linear, 7-10 cm long, ca. 2 mm thick, reddish purple; lateral spikes pistillate or upper ones with short staminate part at apex, cylindrical, 6-12 cm long, ca. 8 mm wide, densely manyflowered, subsessile to short peduncle. Bracts leafy, surpassing inflorescence; sheaths of lower bracts 1-3 cm long.
• Pistillate glumes ovate to elliptic, ca. 1.5 mm long excluding awn, pale with purplish margins; awns 0.7-1 mm long. Utricles patent, ovoid to ellipsoid, 4-4.25 mm long, inflat, trigonous, olivegreen with purple flecks, shiny, slenderly many-veined, beak rather long, slender, scabrid, minutely bidentate. Achenes loosely enveloped, ovate, 2 mm long, trigonous; style slightly thickened at base; stigmas 3, short.

分布

• 台灣 : in dense forest over limestone.

引證標本

HUALIEN: Taroko, Suzuki 17836, Ohwi 1228.

參考文獻

• KOYAMA, Tetsuo, KUOH, Chang-Sheng & LEONG, Wai-Chao, Flora of Taiwan, second edition 5: 227. 2000.  (Fl. Taiwan 2nd edit.)