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FOC | Family List | FOC Vol. 23 | Cyperaceae | Cyperus

4a. Cyperus diffusus var. diffusus

多脉莎草(原变种) duo mai suo cao (yuan bian zhong)

Cyperus bancanus Miquel; C. diffusus subsp. bancanus (Miquel) Kükenthal; C. diffusus var. multispicatus S. M. Huang.

Leaves 0.3-1.2 cm wide. Involucral bracts 0.6-1.2 cm wide. Spikelets (1 or)2 or 3 digitately arranged at raylets or tertiary raylets, 3-6 mm, 6-12-flowered. Glumes reddish brown on both surfaces, middle abaxially green. Fl. and fr. Jun-Sep. 2n = 38.

Forests in valleys, grasslands on mountain slopes, wet places by rivers, along trails, paddy fields; 100-1700 m. Guangdong, Guangxi, Hainan, Taiwan, SE Xizang, S Yunnan [Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Philippines, Sri Lanka, Thailand, Vietnam; NE Australia, Indian Ocean islands, Pacific islands].


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