epiphyllospermous

from The Century Dictionary.

• In botany, bearing the fruit or spores on the back of the leaves or fronds, as ferns.

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

• adjective (Bot.) Bearing fruit on the back of the leaves, as ferns.

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

• adjective obsolete (botany) That bears seeds on the backs of the leaves