Zinnia acerosa vs white zinnia

Zinnia acerosa and white zinnia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Zinnia acerosa	Yes	No	No	No
white zinnia	Yes	No	No	No

As nouns, Zinnia acerosa and white zinnia are synonyms defined as:

Zinnia acerosa and white zinnia: subshrub with slender woolly stems and long narrow leaves and flower heads with white rays; southern United States and northern Mexico

Zinnia acerosa (noun)	white zinnia (noun)
subshrub with slender woolly stems and long narrow leaves and flower heads with white rays; southern United States and northern Mexico	subshrub with slender woolly stems and long narrow leaves and flower heads with white rays; southern United States and northern Mexico