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Dinghushan | Family List | Haloragidaceae | Myriophyllum

Myriophyllum tetrandrum Roxb.

田蕊杂

Description from Flora of China

Plants monoecious. Stem few branched, to 200 cm. Submerged leaves 5-whorled, pectinate, ovate to oblong in outline, ca. 4 × 10 cm; segments in 10-20 pairs, filiform, to 1.3 cm; emergent leaves narrower. Inflorescence a terminal spike of 5-whorled flowers; bracts entire at margin; bracteoles digitate at margin. Flowers 4-merous. Sepals triangular, ca. 1 mm, margin entire or finely serrate. Petals spatulate, ca. 1 mm, caducous. Fruit 4-loculed, subcylindric, ca. 3 mm; mericarps sparsely tuberculate to smooth. Fl. and fr. Mar-Sep.

Shallow waters; near sea level to 200 m. Hainan [India, Malaysia, Thailand, Vietnam].

生活型: 草本

栽培植物: 野生

特征: 水生草本;花白色

花期: 2

生境: 生于河旁湿处

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


 

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