potentilla
/ˌpəʊtənˈtɪlə/noun
1- a plant of a genus that includes the cinquefoils, especially (in gardening) a small shrub with yellow or red flowers委陵菜。
1.1
- Genus Potentilla, family Rosaceae: many species.委陵菜属, 蔷薇科：多种。
词源
modern Latin， based on Latin potent- 'being powerful' (with reference to its herbal qualities)+the diminutive suffix -illa.