sweet sand verbena vs Abronia elliptica

sweet sand verbena and Abronia elliptica both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweet sand verbena	Yes	No	No	No
Abronia elliptica	Yes	No	No	No

As nouns, sweet sand verbena and Abronia elliptica are synonyms defined as:

sweet sand verbena and Abronia elliptica: plant having heads of fragrant white trumpet-shaped flowers; grows in sandy arid regions

Other synonyms of sweet sand verbena include snowball.

sweet sand verbena (noun)	Abronia elliptica (noun)
plant having heads of fragrant white trumpet-shaped flowers; grows in sandy arid regions	plant having heads of fragrant white trumpet-shaped flowers; grows in sandy arid regions
taller than Abronia elliptica and having night-blooming flowers