美花草属（学名：Callianthemum）是毛茛科下的一个属，为短小草本植物。该属共有12种，分布于欧洲和中亚。

Callianthemum is a genus that consists of 24 species of little rhizomatous herbs from high mountains in Europe, Central Asia and East Asia. The botanical name comes from the Greek, which means beautiful flower. The plants are low-growing, ornamental perennials and are lovely to rock garden. Leaves are small and radical. Flowers are showy daisy-like, 1.5in in diameter, with 5-15 white or rose-color petals and nectaries at the base. Blooming in spring.