Peony
Peony (pē"o*ny) , noun
[Old English pione, pioine, pioni, Old French pione, French pivoine, Latin paeonia, Greek paiwni`a, from Pai`wn, Paia`n, the god of healing. Compare Paan.]
(Botany) A plant, and its flower, of the ranunculaceous genus Paonia. Of the four or five species, one is a shrub; the rest are perennial herbs with showy flowers, often double in cultivation.