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Dinghushan | Family List | Hydrocharitaceae | Blyxa

Blyxa japonica (Miq.) Maxim.

水筛

Description from Flora of China

Hydrilla japonica Miquel, Ann. Mus. Bot. Lugduno-Batavi 2: 271. 1866; Blyxa angustipetala (Ridley) Masamune var. laevissima (Hayata) Masamune; B. laevissima Hayata.

Stems elongated, 10-20 cm tall, branched. Leaves cauline, lanceolate, 3-6 cm × 1-3 mm, veins 3, apex acuminate. Spathes sessile, green, 1-3 cm × 1-3 mm. Flowers bisexual. Sepals green with purple midvein, linear-lanceolate, 2-4 × 0.5-1 mm. Petals 6-10 × 0.5-1 mm. Stamens 3; filaments 1-3 mm, smooth; anthers 1.8-2.5 mm. Ovary conic; styles 3-4 mm. Fruit 1-2.5 cm. Seeds 30-60, narrowly elliptic, smooth. Fl. and fr. May-Oct. 2n = 72.

Paddy fields, ponds, channels. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, Liaoning, Sichuan, Taiwan, Zhejiang [Bangladesh, India, Japan, Korea, Malaysia, Myanmar, Nepal, New Guinea, Thailand, Vietnam; Europe].

生活型: 草本

栽培植物: 野生

特征: 水生草本;

花期: 夏秋

果期: 夏秋

生境: 生于池塘或水田中

用途: 稻田有害杂草。可作猪、鸭、鱼饲料

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: 篑藻、鸭仔草


 

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