genus Albizzia vs genus Albizia

genus Albizzia and genus Albizia both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Albizzia	Yes	No	No	No
genus Albizia	Yes	No	No	No

As nouns, genus Albizzia and genus Albizia are synonyms defined as:

genus Albizzia and genus Albizia: large genus of unarmed trees and shrubs of Old World tropics

genus Albizzia (noun)	genus Albizia (noun)
large genus of unarmed trees and shrubs of Old World tropics	large genus of unarmed trees and shrubs of Old World tropics