日本浮萍
| 日本浮萍 |
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中文学名:日本浮萍 拉丁学名:Lemna japonica Landolt 界:植物界 分布区域:中国 |
日本浮萍(rì běn fú píng，学名 Lemna japonica Landolt，异名：Lemna leiboensis)，禾本科，一年生浮水小草本，生长在手中。分布于中国大部分地区。 [1]
目录
日本浮萍基本信息
日本浮萍形态特征
一年生浮水小草本。
Lemna leiboensis M. G. Liu & C. H. You.
Fronds free floating on water surface, 1-8 coherent in one group, without green stalk at base (but with a thin white stipe connecting fronds), shiny green, sometimes reddish or red on lower surface (always deeper red on lower surface than on upper), obovate to elliptic, 2-6(-7) mm, 1.3-1.8 × as long as wide, flat or slightly gibbous on lower surface, with mostly distinct papillae on upper surface near apex and above node and indistinct ones along midline, margin entire, base rounded;
veins 3(-5), nearly reaching apex, greatest distance between lateral veins near or proximal to middle, lateral veins outcurved medially. Root 0.5-15(-18) cm, sheath not winged, apex rounded (to pointed).
Turions absent. Ovary with 1 ovule; utricular scale with narrow opening at apex. Fruit not known. Fl. (very rare) Jul-Oct. 2n = 40*, 50, 63.
生境产地
Lakesides, pools, ponds, ditches; in regions with moderately temperate to warm-temperate climate; sea level to 2900 m. Hebei, Heilongjiang, Henan, Hubei, Jiangsu, Nei Mongol, Shaanxi, Shandong, Shanxi, S Sichuan, Yunnan, Zhejiang [Japan, Korea].
Lemna japonica may have originated from hybridization between L. minor and L. turionifera.Lemna japonica may have originated from hybridization between L. minor and L. turionifera.[2]
日本浮萍生长习性
生 境：水中
是否栽培：野生[3]
日本浮萍地理分布
参考来源
- ↑ 日本浮萍, 植物智, 2020-01-18
- ↑ FOC >> Vol.23 (2010) >> Lemnaceae >> Lemna | eFloras.org Link
- ↑ 周有院，郭振飞. 浮萍光周期诱导的探讨:—与日本青萍6746对比试验． 《 武汉植物学研究 》 ， 1994
- ↑ 贺仁. 稻田除草也可不用除草剂——日本农民用米糠加发酵肥、浮萍等治草效果明显． 《 CNKI 》 ， 2000
- ↑ 日本浮萍 ．中国自然标本馆[引用日期2019-07-01
- ↑ 日本浮萍 Lemna japonica 日本浮萍 分类信息 形态特征 生态习性 功用价值 物种保护 DNA序列 分类树 植物标本 名称分类 Sp2000 CN(2020) 植物志 中国植物志 (FRPS) Flora ...