genus Cucurbita vs Cucurbita

genus Cucurbita and Cucurbita both are nouns.

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

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

genus Cucurbita (noun)	Cucurbita (noun)
type genus of the Cucurbitaceae	type genus of the Cucurbitaceae