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Webster 1913 Edition
Epiphyllospermous
Epˊi-phylˊlo-sper′mous
,Adj.
 [Gr. 
ἐπί 
+ φύλλον 
leaf + σπέρμα 
seed.] (Bot.) 
Bearing fruit on the back of the leaves, as ferns. 
Harris (1710).
 Webster 1828 Edition
Epiphyllospermous
EPIPHYLLOSPERM'OUS
,Adj.
  Definition 2025
epiphyllospermous
epiphyllospermous
English
Adjective
epiphyllospermous (not comparable)
-  (obsolete, botany) That bears seeds on the backs of the leaves
-  1843 Charles Knight, George Long - The Penny Cyclopædia of the Society for the Diffusion of Useful Knowledge
- EPIPHYLLOSPERMOUS PLANTS, so called by the old botanists, because they bore their seed upon the back of their leaves. They are what have more recently been called dorsiferous ferns.
 
 
-  1843 Charles Knight, George Long - The Penny Cyclopædia of the Society for the Diffusion of Useful Knowledge
References
- OED 2nd edition 1989