a herbaceous plant related to the buttercups, typically having lobed or divided leaves and white or yellow flowers. Many kinds are aquatic with flowers held above the water 毛茛
Genus Ranunculus, family Ranunculaceae: many species, in particular the European water crowfoot (R. aquatilis) 毛茛属,毛茛科: 多种,尤指欧洲的水毛茛(拉丁名R. aquatilis)