enation

[ee-ney-shuh n]

noun Botany.

a small outgrowth of plant tissue, usually on a leaf, caused by virus infection.

Origin of enation

1835–45; < Latin ēnāt(us) sprouted, sprung forth (see enate) + -ion

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

This matter will be more fully treated of under the head of hypertrophy and enation.
Vegetable Teratology
Maxwell T. Masters