The Collaborative International Dictionary
Phenogamous
Phenogamian \Phen`o*ga"mi*an\, Phenogamic \Phen`o*gam"ic\, Phenogamous \Phe*nog"a*mous\, a. Same as Ph[ae]nogamian, Ph[ae]nogamic, etc.
Wiktionary
phenogamous
a. (alternative form of phaenogamous English)