ˈplü(ˌ)myül noun
( -s )
Etymology: New Latin plumula, from Latin, small soft feather, diminutive of pluma small soft feather — more at fleece
1. : the primary bud of a plant embryo usually situated at the apex of the hypocotyl and consisting of leaves and an epicotyl that elongates to extend the axis as a primary stem
2.
a. : a down feather
b. : androconium
[s]plumule.jpg[/s] [
plumule of morning glory seedling: 1 hypocotyl, 2 plumule, 3 cotyledons
]