The Collaborative International Dictionary
Homogamous
Homogamous \Ho*mog"a*mous\, a. [Gr. ? married together; ? the same + ? marriage.] (Bot.) Having all the flowers alike; -- said of such composite plants as Eupatorium, and the thistels.
Douglas Harper's Etymology Dictionary
Wiktionary
homogamous
a. (context botany English) Having all the flowers alike.