Involucre
From Wikipedia, the free encyclopedia
In general, an involucre is a covering. It may refer to:
- in flowering plants: involucral bract, a bract, bract pair, or whorl of bracts surrounding a flower or inflorescence
- in some fungi: the involucrum, peridium or volva
- in some ferns: a covering (or indusium) of the sporangia
- in the Fagaceae: a term sometimes misused for the cupule surrounding developing nuts (e.g., the cap of an acorn)
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