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Dinghushan | Family List | Poaceae | Hygroryza

Hygroryza aristata (Retz.) Nees

水禾

Description from Flora of China

Pharus aristatus Retzius, Observ. Bot. 5: 23. 1789; Pota-mochloa aristata (Retzius) Griffith ex Steudel; Zizania aristata (Retzius) Kunth.

Culms floating, 0.5–1.5 m long. Leaf blades 3–7 × 0.5–2.5 cm, adaxial surface papillate, base rounded to cordate, abruptly constricted to a ca. 1 mm petiole-like base at junction with sheath, apex obtuse; ligule truncate, 0.5–0.8 mm. Inflorescence triangular in outline; branches short, lowermost subverticillate, reflexing at maturity. Spikelets greenish; stipe 3–6 mm; lemma body 7.5–8 mm, hispidulous on back, spinulose on veins; awn 1–1.4 cm; palea keeled and spinulose along midvein, outer veins smooth, apex acute. Anthers ca. 3.5 mm.

An aquatic grass forming extensive floating mats in ponds and lakes, often in shade of trees. Fujian, Guangdong, Hainan, Taiwan, Yunnan [Bangladesh, Cambodia, India, Laos, Malaysia, Myanmar, Nepal, Pakistan, Sri Lanka, Thailand, Vietnam].

生活型: 草本

栽培植物: 野生

特征: 水生草本;

花期: 秋冬

果期: 秋冬

生境: 生于池塘中

用途: 可作牛饲料,谷粒可代粮食

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 单子叶植物纲


 

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