genus Zygophyllum vs Syrian bean caper

genus Zygophyllum and Syrian bean caper both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Zygophyllum	Yes	No	No	No
Syrian bean caper	Yes	No	No	No

genus Zygophyllum (noun)	Syrian bean caper (noun)
usually tropical herbs or shrubs having ill-smelling foliage and flower buds that are used as capers: bean capers	perennial shrub of the eastern Mediterranean region and southwestern Asia having flowers whose buds are used as capers