genus Pithecolobium vs Pithecellobium

genus Pithecolobium and Pithecellobium both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Pithecolobium	Yes	No	No	No
Pithecellobium	Yes	No	No	No

As nouns, genus Pithecolobium and Pithecellobium are synonyms defined as:

genus Pithecolobium and Pithecellobium: thorny shrubs and trees of tropical and subtropical America and Asia

Other synonyms of genus Pithecolobium include genus Pithecellobium, Pithecolobium.

genus Pithecolobium (noun)	Pithecellobium (noun)
thorny shrubs and trees of tropical and subtropical America and Asia	thorny shrubs and trees of tropical and subtropical America and Asia