scented penstemon vs balloon flower

scented penstemon and balloon flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
scented penstemon	Yes	No	No	No
balloon flower	Yes	No	No	No

As nouns, scented penstemon and balloon flower are synonyms defined as:

scented penstemon 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 scented penstemon include Penstemon palmeri.

scented penstemon (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