ˌpōt ə n.ˈtilə noun
Etymology: New Latin, from Medieval Latin, garden valerian, from Latin potent-, potens potent, powerful + Medieval Latin -illa — more at potent
1. capitalized : a large genus of herbs and shrubs (family Rosaceae) that are abundant in temperate regions, have alternate pinnate or palmate leaves, yellow, purple, or white flowers with a persistent bracted calyx and five petals, and a fruit consisting of many small achenes heaped on a dry receptacle, and include several which are cultivated as ornamentals — see cinquefoil
2. -s : any plant of the genus Potentilla