Involucre vs Calyx - What's the difference?
involucre | calyx |
(botany) Conspicuous bract, bract pair or ring of bracts at the base of an inflorescence.
(anatomy) A cup-like structure in the mammalian kidney.
(botany) The outermost whorl of flower parts, comprising the sepals, when it is not the same in appearance as the next such whorl (the corolla).
(zoology) The crown of a crinoid.