The Collaborative International Dictionary
Sympetalous
Sympetalous \Sym*pet"al*ous\, a. [Pref. sym- + petal.] (Bot.) Having the petals united; gamopetalous.
Wiktionary
sympetalous
a. (context botany English) gamopetalous
WordNet
sympetalous
adj. having a corolla composed of partially or wholly fused petals forming a corolla shaped like a tube or funnel [syn: gamopetalous]