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Webster 1913 Edition

adv.

(Biol.)

In a diœcious manner.

Diœciously hermaphrodite

(Bot.)

having flowers structurally perfect, but practically diœcious, – those on one plant producing no pollen, and those on another no ovules.

dioeciously ‎(not comparable)

(biology) In a dioecious manner.
A dioeciously hermaphrodite plant has flowers structurally perfect, but practically dioecious, those on one plant producing no pollen, and those on another no ovules.