Cassia fasciculata vs suffrutex

Cassia fasciculata and suffrutex both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cassia fasciculata	Yes	No	No	No
suffrutex	Yes	No	No	No

As nouns, suffrutex is a hypernym of Cassia fasciculata; that is, suffrutex is a word with a broader meaning than Cassia fasciculata:

Cassia fasciculata: tropical American plant having leaflets somewhat sensitive to the touch; sometimes placed in genus Cassia
suffrutex: low-growing woody shrub or perennial with woody base

Other hypernyms of Cassia fasciculata include subshrub.

Cassia fasciculata (noun)	suffrutex (noun)
tropical American plant having leaflets somewhat sensitive to the touch; sometimes placed in genus Cassia	low-growing woody shrub or perennial with woody base