- Botany. the bud of the ascending axis of a plant while still in the embryo.
- Ornithology. a down feather.
Origin of plumule
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for plumule
Same, older, with plumule developed into internode and pair of leaves.
So it is the stem-portion of the plumule which is at first conspicuous and strong-growing.
They may also be divided into those with and without the plumule.Outlines of Lessons in Botany, Part I; From Seed to Leaf
Jane H. Newell
It is important that the leaves on the primary axis arising from the plumule are examined.
It consists of one or more seed-leaves or cotyledons, a radicle or young root, and a plumule or young bud.Field and Woodland Plants
William S. Furneaux
- the embryonic shoot of seed-bearing plants
- a down feather of young birds that persists in some adults
C18: from Late Latin plūmula a little feather
- The young shoot of a plant embryo, situated above the cotyledons and consisting of the epicotyl and often of immature leaves. See more at germination.
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