Definition
noun
(1) (botany) The bud of a young plant; the portion of the plant embryo giving rise to the first true leaves, especially above the cotyledons.
(2) (zoology) A down feather.
Supplement
Word origin: From Latin plumula, diminutive of pluma “feather”.
See also:
Compare: radicle
This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of fruits, fruit dispersal mechanisms, and seed germination. The distinctions between dicots and monocots, the two major groups of flowering plants, are presented in this tutorial...
