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.
The sheath which envelopes the radicle is called coleorhiza and that of the plumule, pileole or germ-sheath.
From A Handbook of Some South Indian Grasses by K. Rangachari
The larger part of it is the cotyledon, thickish, its edges involute, and its back in contact with the albumen; partly enclosed by it is the well-developed plumule or bud which is to grow.
From The Elements of Botany For Beginners and For Schools by Asa Gray
Same in advanced germination: the plumule has developed four or five internodes, bearing single leaves; but the first and second leaves are mere scales, the third begins to serve as foliage; the next more so.
From The Elements of Botany For Beginners and For Schools by Asa Gray
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
Within the cotyledons the primordial leaves are seen, constituting the plumule or first bud of the plant.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various
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