dioecious

adjective

(Gr. dyo: two; oikos: house) Describing plant species that have the male (staminate) and female (pistillate) flowers borne on different, separate plants. Examples of dioecious plants are willows; with archegonia and antheridia on separate plants. Syn. diecious, dioicous. Cf. androecious, andromonoecious, gynomonoecious, hermaphroditic, monoecious, trimonoecious.