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Dinghushan | Family List | Hydrocharitaceae | Blyxa

Blyxa aubertii Rich.

无尾水筛

Description from Flora of China

Blyxa ecaudata Hayata.

Stems shortened. Leaves all in basal rosette, linear, 5-17(-60) cm × 3(-12) mm, veins 5-9, apex acuminate. Spathes green, 3-5 cm × ca. 2 mm, with peduncle 2.7-8 cm. Flowers bisexual. Sepals greenish purple, linear-lanceolate, 5-7 × ca. 1 mm. Petals 9-17 × ca. 0.5 mm. Stamens 3; filaments 3-6 mm; anthers 1-1.8 mm. Ovary narrowly cylindric, 2.5-4 cm; styles ca. 7 mm. Fruit (2-)4-6(-8) cm. Seeds 30-70, oblong-ovoid, 1.2-1.8 × ca. 0.6 mm, 6-12-ribbed; ribs obscurely tuberculate or ridged. Fl. and fr. May-Sep. 2n = 16.

Paddy fields and channels. Fujian, Guangdong, Guangxi, Hainan, Hunan, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Bangladesh, Bhutan, India, Indonesia, Japan (Ryukyu Islands), Korea, Malaysia, Myanmar, Nepal, New Guinea, Philippines, Sri Lanka, Thailand, Vietnam; Africa, Australia; introduced in North America].

生活型: 草本

栽培植物: 野生

特征: 水生草本;

花期: 春季

果期: 春季

生境: 生于水田或池塘中

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


 

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Flora of China  
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    Flora of North America  
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