plumule
Americannoun
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Botany. the bud of the ascending axis of a plant while still in the embryo.
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Ornithology. a down feather.
noun
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the embryonic shoot of seed-bearing plants
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a down feather of young birds that persists in some adults
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The young shoot of a plant embryo, situated above the cotyledons and consisting of the epicotyl and often of immature leaves.
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See more at germination
Other Word Forms
Etymology
Origin of plumule
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Cotyledons very thick and fleshy, their contiguous faces coherent, remaining under ground in germination; plumule 2-leaved; radicle curved.—Trees or shrubs.
From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Asa Gray
The germ-sheath grows vertically upwards, its stiff apex pushing through the soil, while the plumule is hidden in its hollow interior.
From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various
No plumule or bud appears in the embryo of these two Maples until the seed-leaves have nearly attained their full growth and are acting as foliage-leaves, and until a root is formed below.
From The Elements of Botany For Beginners and For Schools by Asa Gray
It would appear therefore that the cotyledon answers to a minute leaf rolled up, and that a chink through which the plumule grows out is a part of the inrolled edges.
From The Elements of Botany For Beginners and For Schools by Asa Gray
A grain cut through the middle in the opposite direction, dividing the embryo through its thick cotyledon and its plumule, the latter consisting of two leaves, one enclosing the other.
From The Elements of Botany For Beginners and For Schools by Asa Gray
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