Ranunculaceous /(rȧnŭṉ`kū̇lā"shŭs)/

Ra·nun·cu·la·ceous

Ranunculaceous

Of or pertaining to a natural order of plants (Ranunculaceae), of which the buttercup is the type, and which includes also the virgin's bower, the monkshood, larkspur, anemone, meadow rue, and peony. (Bot.)