balloon flower vs scented penstemon

balloon flower and scented penstemon both are nouns.

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

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

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

Other synonyms of balloon flower include Penstemon palmeri.

balloon flower (noun)	scented penstemon (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