Leucaena leucocephala vs white popinac

Leucaena leucocephala and white popinac both are nouns.

Word	Noun	Adjective	Verb	Adverb
Leucaena leucocephala	Yes	No	No	No
white popinac	Yes	No	No	No

As nouns, Leucaena leucocephala and white popinac are synonyms defined as:

Leucaena leucocephala and white popinac: low scrubby tree of tropical and subtropical North America having white flowers tinged with yellow resembling mimosa and long flattened pods

Other synonyms of Leucaena leucocephala include lead tree, Leucaena glauca.

Leucaena leucocephala (noun)	white popinac (noun)
low scrubby tree of tropical and subtropical North America having white flowers tinged with yellow resembling mimosa and long flattened pods	low scrubby tree of tropical and subtropical North America having white flowers tinged with yellow resembling mimosa and long flattened pods