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Dinghushan | Family List | Alismataceae | Sagittaria

Sagittaria guayanensis subsp. lappula (D. Don) Bogin


Description from Flora of China

Sagittaria lappula D. Don, Prodr. Fl. Nepal. 22. 1825; Lophiocarpus lappula (D. Don) Miquel; Lophotocarpus formosanus Hayata; L. guayanensis (Kunth) J. G. Smith var. lappula (D. Don) Buchenau.

Stolons usually lacking. Floating leaves broadly ovate to cordate-ovate, 1.2-9 × 1-10 cm, base deeply cordate, apex obtuse; submerged leaves linear or lanceolate, 3-11 cm × 5-10 mm. Inflorescences racemose, 8-40 cm, in 2-6 whorls of 3 flowers; bracts connate toward base. Bisexual flowers usually on lower 1-4 whorls; pedicels 1-1.5 cm, thickened. Male flowers with pedicel 2-5 cm. Sepals not reflexed after anthesis, ovate, 0.5-1.5 cm × 3-15 mm. Petals fugacious, obovate, subequal to sepals. Stamens 6 to numerous; anthers yellow. Achenes obovoid or elliptic, 2-4 × 1.5-3 mm, with cristate wing and oblique adaxial beak. Fl. May-Sep, fr. Jun-Nov. 2n = 22*.

Ponds, lakes, marshes, paddy fields and channels. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangxi, Taiwan, Yunnan, Zhejiang [Afghanistan, Cambodia, India, Indonesia, Malaysia, Nepal, Pakistan, Thailand, Vietnam; Africa].

生活型: 草本

栽培植物: 野生

特征: 沉水草本;

花期: 夏秋

果期: 夏秋

生境: 生于水田中

用途: 稻田有害杂草。全草作猪饲料;入药治疮疥

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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