involucre

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Related to involucres: Involucral bract

in·vo·lu·cre

 (ĭn′və-lo͞o′kər)
n.
A group of one or more whorls of bracts beneath a flower or flower cluster.

[French, from Latin involūcrum, wrapper, envelope; see involucrum.]

in′vo·lu′cral (-krəl), in′vo·lu′crate (-krĭt, -krāt′) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

involucre

(ˈɪnvəˌluːkə) or

involucrum

n, pl -cres or -cra (-krə)
(Botany) a ring of bracts at the base of an inflorescence in such plants as the composites
[C16 (in the sense: envelope): from New Latin involucrum, from Latin: wrapper, from involvere to wrap; see involve]
ˌinvoˈlucral adj
ˌinvoˈlucrate adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

in•vo•lu•cre

(ˈɪn vəˌlu kər)

n.
1. a collection or rosette of bracts subtending a flower cluster, umbel, or the like.
2. a covering, esp. a membranous one.
[1570–80; < Middle French < Latin involūcrum a wrapper, cover <involū-, variant s. of involvere (see involve)]
in`vo•lu′cral, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.involucre - a highly conspicuous bract or bract pair or ring of bracts at the base of an inflorescenceinvolucre - a highly conspicuous bract or bract pair or ring of bracts at the base of an inflorescence
bract - a modified leaf or leaflike part just below and protecting an inflorescence
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