involucre definition

  • noun:
    • A series of bracts beneath or about a flower or rose group.
    • Conspicuous bract, bract set or band of bracts on base of an inflorescence.
    • A whorl or group of bracts around a flower, umbel, or mind.
    • a consistent marginal covering of sporangia, in certain ferns, like in the common brake, and/or cup-shaped procedures of the filmy ferns.
    • The peridium or volva of certain fungi. Known as also involucrum.
    • In botany, any number of bracts round a cluster of plants.
    • In structure, a membranous envelop. due to the fact pericardium.
    • 3, In zoology, an involucrum.
    • a very conspicuous bract or bract pair or band of bracts during the base of an inflorescence

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