Penstemon newberryi vs Penstemon

Penstemon newberryi and Penstemon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Penstemon newberryi	Yes	No	No	No
Penstemon	Yes	No	No	No

Penstemon newberryi (noun)	Penstemon (noun)
mat-forming plant with deep pink flowers on short erect leafy stems; rocky places at high elevations from Oregon to California	large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers; mostly western North America