bract vs false calyx

bract and false calyx both are nouns.

Word	Noun	Adjective	Verb	Adverb
bract	Yes	No	No	No
false calyx	Yes	No	No	No

As nouns, false calyx is a hyponym of bract; that is, false calyx is a word with a more specific, narrower meaning than bract:

bract: a modified leaf or leaflike part just below and protecting an inflorescence
false calyx: a group of bracts simulating a calyx as in a carnation or hibiscus

Other hyponyms of bract include calycle, calyculus, epicalyx, bracteole, bractlet, spathe, involucre, glume.

bract (noun)	false calyx (noun)
a modified leaf or leaflike part just below and protecting an inflorescence	a group of bracts simulating a calyx as in a carnation or hibiscus