fever tree vs Pinckneya

fever tree and Pinckneya both are nouns.

Word	Noun	Adjective	Verb	Adverb
fever tree	Yes	No	No	No
Pinckneya	Yes	No	No	No

fever tree (noun)	Pinckneya (noun)
any of several trees having leaves or bark used to allay fever or thought to indicate regions free of fever	small genus of shrubs or small trees of southeastern United States and northern South America
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