Meaning & use
Involucre
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In botany, a whorl or ring of small bracts surrounding the base of a flower cluster or inflorescence, as seen in daisies and sunflowers.
See it in a sentence
The botanist pointed out the green involucre cupping the base of the sunflower head.
In many members of the aster family, the involucre helps protect the developing flower buds.
A note on using this word
The involucre is a distinguishing feature used by botanists to help identify and classify plants in the daisy and carrot families.
Words with a similar meaning
bract ring
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