Cassia vs genus Cassia

Cassia and genus Cassia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cassia	Yes	No	No	No
genus Cassia	Yes	No	No	No

As nouns, Cassia and genus Cassia are synonyms defined as:

Cassia and genus Cassia: some genus Cassia species often classified as members of the genus Senna or genus Chamaecrista

Cassia (noun)	genus Cassia (noun)
some genus Cassia species often classified as members of the genus Senna or genus Chamaecrista	some genus Cassia species often classified as members of the genus Senna or genus Chamaecrista