lemonwood tree vs Psychotria capensis

lemonwood tree and Psychotria capensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
lemonwood tree	Yes	No	No	No
Psychotria capensis	Yes	No	No	No

As nouns, lemonwood tree and Psychotria capensis are synonyms defined as:

lemonwood tree and Psychotria capensis: South African evergreen having hard tough wood

Other synonyms of lemonwood tree include lemon-wood, lemon-wood tree, lemonwood.

lemonwood tree (noun)	Psychotria capensis (noun)
South African evergreen having hard tough wood	South African evergreen having hard tough wood
source of a tough elastic wood