The Collaborative International Dictionary
Monadelphian
Monadelphian \Mon`a*del"phi*an\, Monadelphous \Mon`a*del"phous\, a. [Cf. F. monadelphie.] (Bot.) Of or pertaining to the Monadelphia; having the stamens united in one body by the filaments.
Wiktionary
monadelphian
a. (context botany English) (obsolete form of monadelphous English)