Gām'ō-pēt'al-oŭs, a.

adjective

a. [Fr. gamopétale, from Gr. γάμος, wedding, marriage, and πέταλον, leaf.] (Bot.) Having the petals united or joined so as to form a tube; monopetalous. Gray.

A botanical illustration of a flower with fused petals, stem, and leaves.
Gamopetalous.