pappus

English Thesaurus

1. calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions (noun.plant)

hypernym	:	calyx,
definition	:	(botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud; usually green (noun.plant)

hyponym	:	thistledown,
definition	:	pappus of a thistle consisting of silky featherlike hairs attached to the seed-like fruit of a thistle (noun.plant)