involucre
Americannoun
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Botany. a collection or rosette of bracts subtending a flower cluster, umbel, or the like.
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a covering, especially a membranous one.
noun
Other Word Forms
Etymology
Origin of involucre
1570–80; < Middle French < Latin involūcrum involucrum
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.
Heads radiate or discoid, the involucre little or not at all imbricated, not scarious.
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
Flowers in little axillary clusters or heads, usually surrounded by a scale-like 3-leaved involucre.
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
Stem-leaves auriculate-clasping or with winged-petiole-like base; involucre lax 42–45 Stem-leaves sessile, but rarely cordate or auriculate at base 36–41 § 1.
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
Seed suspended.—Perennial herbs with radical leaves; those of the stem 2 or 3 together, opposite or whorled, and forming an involucre remote from the flower; peduncles 1-flowered, solitary or umbellate.
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
Well distinguished by its long or drooping racemes, and the closely appressed rigid scales of the involucre, small rays, etc.
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
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
