inflorescence - the flowering part of a plant or arrangement of flowers on a stalk

calycle, calyculus, epicalyx, false calyx - a group of bracts simulating a calyx as in a carnation or hibiscus

husk - outer membranous covering of some fruits or seeds

bracteole, bractlet - a small bract

spathe - a conspicuous bract surrounding or subtending a spadix or other inflorescence

involucre - a highly conspicuous bract or bract pair or ring of bracts at the base of an inflorescence

glume - small dry membranous bract found in inflorescences of Gramineae and Cyperaceae