Penstemon palmeri vs balloon flower

Penstemon palmeri and balloon flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Penstemon palmeri	Yes	No	No	No
balloon flower	Yes	No	No	No

As nouns, Penstemon palmeri and balloon flower are synonyms defined as:

Penstemon palmeri and balloon flower: fragrant puffed-up white to reddish-pink flowers in long narrow clusters on erect stems; Arizona to New Mexico and Utah

Other synonyms of Penstemon palmeri include scented penstemon.

Penstemon palmeri (noun)	balloon flower (noun)
fragrant puffed-up white to reddish-pink flowers in long narrow clusters on erect stems; Arizona to New Mexico and Utah	fragrant puffed-up white to reddish-pink flowers in long narrow clusters on erect stems; Arizona to New Mexico and Utah