Picrasma excelsum vs Picrasma excelsa

Picrasma excelsum and Picrasma excelsa both are nouns.

Word	Noun	Adjective	Verb	Adverb
Picrasma excelsum	Yes	No	No	No
Picrasma excelsa	Yes	No	No	No

As nouns, Picrasma excelsum and Picrasma excelsa are synonyms defined as:

Picrasma excelsum and Picrasma excelsa: West Indian tree yielding the drug Jamaica quassia

Other synonyms of Picrasma excelsum include bitterwood, Jamaica quassia.

Picrasma excelsum (noun)	Picrasma excelsa (noun)
West Indian tree yielding the drug Jamaica quassia	West Indian tree yielding the drug Jamaica quassia