synoecious

from The Century Dictionary.

• See synæcious.
• In botany: Having male and female flowers in one head, as is common in the Compositæ.
• Having male and female organs in the same receptacle, as many mosses.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Bot.) Having stamens and pistil in the same head, or, in mosses, having antheridia and archegonia on the same receptacle.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective botany With male and female organs in the same structure.
• adjective unisex

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective having male and female reproductive organs mixed in the same gametoecium