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Dinghushan | Family List | Potamogetonaceae | Potamogeton

Potamogeton crispus L.

水猪菜

Description from Flora of China

Plants perennial, submerged in fresh water. Rhizome present, terete to slightly flattened. Stems creeping at base, terete to slightly flattened and angular, sparsely branched; stiff axillary turions 1-3 cm × 8-15 mm, each a cluster of hard scales formed by strongly shortened, thickened and broadened leaves. Stipules axillary, convolute to shortly connate, 5-10 mm, membranous and evanescent; leaves sessile, broadly linear to narrowly oblong, 3-8 cm × 3-10 mm, 3-7-veined, margin mostly undulate or crispate, serrate, apex obtuse or rounded. Spikes cylindric, with 2-4 whorls of shortly distant opposite flowers; peduncles 14-65(-125) cm. Carpels 4, shortly connate at base. Fruit ovoid, 3.5-4 mm, abaxial keel distinct, few toothed on lower ridge; beak subequal to or longer than body of carpel, slender. Fl. and fr. Apr-Jul. 2n = 52.

Lakes, streams, ponds, paddy fields. Fujian, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Jiangsu, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Xinjiang, Xizang, Yunnan, Zhejiang [Afghanistan, Bangladesh, Bhutan, India, Indonesia (Sumatra), Japan, Kazakhstan, Korea, Kyrgyzstan, Laos, Mongolia, Myanmar, Nepal, Pakistan, Russia, Tajikistan, Thailand, Turkmenistan, Uzbekistan, Vietnam; Africa, SW Asia, Australia, Europe; introduced in North and South America and Pacific islands (New Zealand)].

生活型: 草本

栽培植物: 野生

特征: 沉水草本;

生境: 生于水田、河沟或水边湿润处

用途: 全草作猪、鸭、鱼饲料;又可作绿肥

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

中文别名: 菹草


 

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Flora of China  
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    Flora of North America  
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