生活型

herb

形態特徵

• Perennial herbs, 50-300 cm tall, rhizome white. Culms obtusely trigonous to subterete, glabrous, dark green, 3-7 mm wide.
• Leaves bladeless, reduced to sheaths; sheaths 10-30 cm long, pale green to light brown. Anthela compound; 16 to 18, primary rays 7-10 cm long, patent; spikes bearing 4 to 9 spikelets; leafy bracts 11 to 18, 9.5-20 cm long, 1-14 mm wide, equal in length, spreading umbrella-like, margins sharply toothed, stiff, not nodding.
• Spikelets clustered at apex of raylets, linear, linear lanceolate, to lanceolate, flattened, 5-20 mm long, 1-1.5 mm wide, loosely 10-40 flowered, light green; rachilla wingless.
• Glumes ovate, acute at apex, 2 mm long, 0.8 mm wide, 3-nerved, membranaceous, pale-green, the midrib green. Stamens 3, anther linear, yellow, 1 mm long. Style 1 mm long, stigmas 3, 1 mm long, ovary trigonous, 0.8 mm long. Achenes trigonous, elliptic to ovate, 0.79 mm long, 0.48 mm wide, brown, reticulate-tuberculate, cell margin frilled; frills raised.

分布

• 世界 : Africa, Madagascar, Reunion.

引證標本

Hualien Co.: Fengbin Township, Baliwan Community, Chen & Weng 85 (Herbarium, National Hualien University of Education; NHU).

引用文獻

• Shih-Huei Chen, Shu-Huei Weng and Ming-Jou Wu, Taiwania 53(3): 311. 2008.