华夏慈姑 hua xia ci gu

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].