Laurus vs Laurus nobilis

Laurus and Laurus nobilis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Laurus	Yes	No	No	No
Laurus nobilis	Yes	No	No	No

Laurus (noun)	Laurus nobilis (noun)
small evergreen trees or shrubs with aromatic leaves	small Mediterranean evergreen tree with small blackish berries and glossy aromatic leaves used for flavoring in cooking; also used by ancient Greeks to crown victors