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.
Tomentulose; heads small, at first globose; leaves lance-oblong or -ovate; involucre hoary-tomentose, greenish, squarrose, the scales acute or acuminate.—Prairies and barren hills; E. Mo. to Kan. and Tex.
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
Scales of the hemispherical involucre imbricated in several series, with slender more or less spreading green tips.
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
Rather tall; leaves long-lanceolate to lance-oblong; cyme open; involucre usually purplish; scales ovate and lance-ovate tipped with a slender cusp or awn.—Low grounds near the coast, Maine to Va., west to Minn., E. Kan., and southward.
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
Characters of Dipsacus, but the green leaves of the involucre and involucels not rigid nor spinescent.
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
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.
