慈姑Sagittaria trifolia subsp. Leucopetala

慈姑Sagittaria trifolia subsp. Leucopetala

慈姑Sagittaria trifolia subsp. Leucopetala

中文名(Chinese Name):慈姑
学名(Scientific Name):Sagittaria trifolia subsp. Leucopetala (Miq.) Q.F. Wang
英文名(English Common Name):
别名(Chinese Common Name):华夏慈姑
异名(Synonym):Sagittaria trifolia var. sinensis (Sims) Makino  Sagittaria sagittifolia f. sinensis (Sims) Makino  Sagittaria sagittifolia var. edulis Siebold ex Miq.  Sagittaria sinensis Sims  Sagittaria trifolia var. edulis (Siebold ex Miq.) Ohwi  Sagittaria aguatica S. F. Gray 
科属(Family & Genus):泽泻科(Alismataceae)慈菇属
形态特征(Description):本变种与原变种不同在于:植株高大,粗壮;叶片宽大,肥厚,顶裂片先端钝圆,卵形至宽卵形;匍匐茎末端膨大呈球茎,球茎卵圆形或球形,可达5-8×4-6厘米;圆锥花序高大,长20-60厘米,有时可达80厘米以上,分枝 (1-) 2 (-3),着生于下部,具1-2轮雌花,主轴雌花3-4轮,位于侧枝之上;雄花多轮,生于上部,组成大型圆锥花序,果期常斜卧水中;果期花托扁球形,直径4-5毫米,高约3毫米。种子褐色,具小凸起。
分布(Distribution):产长江以南各省区,日本、朝鲜也有。
用途(Use):球茎可作蔬菜食用等。
引自中国植物志英文版:FOC Vol. 23 Page 85
Sagittaria trifolia subsp. leucopetala (Miquel) Q. F. Wang, Comb. nov..
[comb. nov.]
华夏慈姑 hua xia ci gu  | Alismataceae  | Sagittaria
Basionym: Sagittaria sagittifolia var. leucopetala Miquel, Ill. Fl. Archip. Ind. 2: 49. 1870; S. edulis Schlechtendal; S. leucopetala (Miquel) Bergmans; S. sagittifolia var. edulis (Schlechtendal) Siebold ex Miquel; S. sagittifolia subsp. leucopetala (Miquel) Hartog; S. sagittifolia f. sinensis (Sims) Makino; S. sinensis Sims; S. trifolia var. edulis (Schlechtendal) Ohwi ex W. T. Lee; S. trifolia var. sinensis (Sims) Makino.
Tubers 5-10 × 4-6 cm. Leaves large, middle lobe broadly ovate, apex obtuse. Inflorescences with 3 whorls of branches at base, each whorl 3- or more branched.
Cultivated S of the Chang Jiang. Anhui, Fujian, Guangxi, Guizhou, Hainan, Henan, Shaanxi, Yunnan, Zhejiang [also cultivated in Japan and Korea].
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