Begonia fimbristipula Hance (scientific name: Begonia fimbristipula Hance): a small perennial herb, 4-12 cm high. The tuber is fleshy, spherical, without a stem. There is usually one basal leaf; the stalk is slender, 2-6 cm long, with long coarse hairs; the blade is oval and heart-shaped, 2.5-7 cm long, 2-6 cm wide, the apex is acuminate, the base is heart-shaped, nearly symmetrical, and the edges are There are irregular sharp serrations, 7-9 veins at the base, coarse hairs on both sides, and purple underneath. Pink flowers bloom in summer, the flowers are unisexual, and 2-4 flowers form a cymose inflorescence. The total pedicel is slender and longer than the leaves; the male flower has 4 tepals and many stamens; the female tepals have 3, the ovary is inferior and the style is 3. The capsule is triangular with 3 wings, one of which is extra large and the other two are strip-shaped. 1Grows on moist stone walls on hillsides and valleys. Produced in Zhejiang, Jiangxi, Hunan, Fujian, Guangxi, Guangdong, Hainan and Hong Kong in China.