直球穗扁莎 zhi qiu sui bian suo

Cyperus globosus var. strictus C. B. Clarke, J. Linn. Soc., Bot. 20: 280. 1883; C. strictus Roxburgh, Fl. Ind. 1: 203. 1820, nom. illeg. later homonym, non Lamarck (1791); Pycreus globosus var. strictus C. B. Clarke.

Culms ± tall, slightly stiff. Leaves usually longer than culm. Spikelets 3-8 × 1-1.5 mm, 6-14-flowered. Glumes brown to brownish yellow but sometimes more pale. Fl. and fr. Jun-Aug.

Meadows, swamps, river margins, water margins, shallow water, ditch margins, shady wet places, paddy field margins; 200-1400 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Jiangsu, Jiangxi, Liaoning, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Yunnan, Zhejiang [Afghanistan, Bhutan, India, Japan, Kashmir, Nepal; SW Asia (Iran), Australia, Indian Ocean islands, Madagascar].