enation

noun3

1. •
   A small outgrowth on the surface of a plant organ.

   • Infected trees are stunted, with narrow leaves, often with large enations on their underside. — 1996
2. •
   The generation of such an outgrowth.

   • Enation is characterized by the formation of very small, leaflike outgrowths — enations — from the lower surface of leaves, usually along the larger veins (fig. 116). — 1965
3. •
   The property of being enate.