You searched for: “adaxial
adaxial (adjective) (not comparable)
Descriptive of that which is nearest to or facing toward the axis of an organ or organism: The top part of a leaf is known as the adaxial side or surface.

Abaxial describes a plant part which is on the side of an plant and faces toward the the axis.

This entry is located in the following units: ad- (page 5) -al; -ial, -eal (page 6) -ial (page 1)