calyculus vs false calyx

calyculus and false calyx both are nouns.

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

As nouns, calyculus and false calyx are synonyms defined as:

calyculus and false calyx: a group of bracts simulating a calyx as in a carnation or hibiscus

Other synonyms of calyculus include calycle, epicalyx.

calyculus (noun)	false calyx (noun)
a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp)	a group of bracts simulating a calyx as in a carnation or hibiscus
a group of bracts simulating a calyx as in a carnation or hibiscus