Penstemon linarioides vs genus Penstemon

Penstemon linarioides and genus Penstemon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Penstemon linarioides	Yes	No	No	No
genus Penstemon	Yes	No	No	No

Penstemon linarioides (noun)	genus Penstemon (noun)
plant having small narrow leaves and blue-violet flowers in long open clusters; Utah and Colorado to New Mexico and Arizona	large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers; mostly western North America