Origin: < ModL didynamia, coined (1735) by Carolus Linnaeus < Gr di- (see di-) + dynamis, power (see dynamic), for a former class of plants, in reference to the two stamens of greater length + -ous
See didynamous in American Heritage Dictionary 4
Origin: From New Latin Didynamia, former class name
Origin: : di-1
Origin: + Greek dunamis, power; see dynamic.