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.
Germinating Onion, more advanced, the chink at base of cotyledon opening for the protrusion of the plumule, consisting of a thread-shaped leaf.
From The Elements of Botany For Beginners and For Schools by Asa Gray
Here is the sweetest longitudinal section of the tentacle of an Actinia, and here—look at these lovely transverse sections of the plumule of a pea; you can see the primary groups of spiral vessels.
From The Bacillus of Beauty A Romance of To-day by Harriet Stark
Cotyledons opened to show the radicle a, and the plumule.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 4 "Carnegie Andrew" to "Casus Belli" by Various
Plume′let, a down-feather, a plumule: anything resembling a small plume.—adj.
From Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various
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
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