The Collaborative International Dictionary
Polypetalous
Polypetalous \Pol`y*pet"al*ous\, a. [Poly- + petal.] (Bot.)
Consisting of, or having, several or many separate petals;
as, a polypetalous corolla, flower, or plant.
--Martyn.
Wiktionary
polypetalous
a. (context botany English) having a corolla composed of distinct, separable petals
WordNet
polypetalous
adj. having a corolla composed of many separated or distinct petals