Kirkia vs genus Kirkia

Kirkia and genus Kirkia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kirkia	Yes	No	No	No
genus Kirkia	Yes	No	No	No

As nouns, Kirkia and genus Kirkia are synonyms defined as:

Kirkia and genus Kirkia: small genus of tropical South African trees and shrubs

Kirkia (noun)	genus Kirkia (noun)
small genus of tropical South African trees and shrubs	small genus of tropical South African trees and shrubs