heteroicous
adjective
het·er·oi·cous
-¦rȯikəs
variants or less commonly heteroecious
-¦rēshəs 
: having archegonia and antheridia either on the same branch or on different branches of the same plant compare paroicous, polyoicous
Word History
Etymology
heter- + -oicous, -oecious (from Greek oikos dwelling + English -ous)