genus Acacia vs fever tree

genus Acacia and fever tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Acacia	Yes	No	No	No
fever tree	Yes	No	No	No

genus Acacia (noun)	fever tree (noun)
large genus of shrubs and trees and some woody vines of Central and South America, Africa, Australia and Polynesia: wattle; mimosa	any of several trees having leaves or bark used to allay fever or thought to indicate regions free of fever
	ornamental shrub or small tree of swampy areas in southwestern United States having large pink or white sepals and yielding Georgia bark for treating fever
	tall fast-growing timber tree with leaves containing a medicinal oil; young leaves are bluish
	African tree supposed to mark healthful regions