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词汇 Spirodela polyrhiza
分类 英语词汇 英语翻译词典
释义

Spirodela polyrhiza

中文百科

紫萍

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紫萍(学名:Spirodela polyrhiza)又名水萍,为天南星科紫萍属下的一个种,过去曾被归类于浮萍属(Lemna)。

  1. 紫萍 Spirodela polyrrhiza. 中国植物物种信息数据库. [2013-01-15].
英语百科

Spirodela polyrhiza 紫萍

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Spirodela polyrhiza (orth. var. S. polyrrhiza) is a species of duckweed known by the common names common duckmeat, greater duckweed, common duckweed, and duckmeat. It can be found nearly worldwide in many types of freshwater habitat. It is a perennial aquatic plant usually growing in dense colonies, forming a mat on the water surface. Each plant is a smooth, round, flat disc one half to one centimeter wide. It produces several minute roots. It also produces a pouch containing male and female flowers. The top part dies in the fall and the plant often overwinters as a turion.

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