Perigone

n.	1.	(Bot.) Any organ inclosing the essential organs of a flower; a perianth.
	2.	(Zool.) A sac which surrounds the generative bodies in the gonophore of a hydroid.

Noun

1.

perigone - collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils Synonyms: chlamys, floral envelope, perianth, perigonium

bloom, blossom, calyx, chlamys, corolla, cover, covering, floral envelope, flower, natural covering, perianth, perigonium, plant organ