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Dinghushan | Family List | Nymphaeaceae | Euryale

Euryale ferox Salisb.

Description from Flora of China

Submerged leaves not prickly; leaf blade sagittate or elliptic, 4--10 cm, base deeply cordate. Floating leaves prickly on petioles and along veins; leaf blade abaxially dark purple and adaxially green, to 1.3(--2.7) m in diam., subleathery, abaxially sparsely pubescent, adaxially glabrous, base emarginate or sinuate; veins abaxially strongly ribbed; primary veins prickly on both surfaces. Flower to 5 cm in diam. Peduncle stout, densely prickly. Sepals triangular-ovate, 1--1.5(--3) cm, abaxially dense-ly prickly; prickles retrorse. Petals outer purple-violet fading to inner white, oblong-lanceolate, 1(--2.5) cm. Ovary 7--16-loculed, each locule with 6--8 or more ovules. Fruit dark purple, globose, 5--10 cm in diam., spongy, densely prickly. Seeds black, 8 to many, globose, 6--10 mm in diam.; testa thick, rigid. Fl. Jun--Aug.

This species is cultivated for its starchy seeds.

Lakes, ponds. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Yunnan, Zhejiang [Bangladesh, India, Japan, Kashmir, Korea, Russia (Far East)].

生活型: 草本

栽培植物: 栽培

特征: 一年生、水生有刺草本;花紫色

花期: 7--9

生境: 生于池塘中,栽培

用途: 种子名芡实,富有淀粉,供食用,酿酒,又入药,有滋补助气,健脾益肾,镇痛收敛之效,治小便失禁,遗精,白浊,腰腿关节痛等症;果壳含鞣质;根茎,嫩叶柄也可食;全草又作饲料和绿肥

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 双子叶植物纲

中文别名: 肇实、鸡头、芡实


 

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