What is "floral envelope"

Floral \Flo"ral\, a. [L. Floralis belonging to Flora: cf. F. floral. See Flora.]

1. Pertaining to Flora, or to flowers; made of flowers; as, floral games, wreaths.

2. (Bot.) Containing, or belonging to, a flower; as, a floral bud; a floral leaf; floral characters.
   --Martyn.

   Floral envelope (Bot.), the calyx and corolla, one or the other of which (mostly the corolla) may be wanting.

n. collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils [syn: perianth, chlamys, perigone, perigonium]