Cotinus americanus vs Cotinus obovatus

Cotinus americanus and Cotinus obovatus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cotinus americanus	Yes	No	No	No
Cotinus obovatus	Yes	No	No	No

As nouns, Cotinus americanus and Cotinus obovatus are synonyms defined as:

Cotinus americanus and Cotinus obovatus: shrubby tree of southern United States having large plumes of feathery flowers resembling puffs of smoke

Other synonyms of Cotinus americanus include American smokewood, chittamwood.

Cotinus americanus (noun)	Cotinus obovatus (noun)
shrubby tree of southern United States having large plumes of feathery flowers resembling puffs of smoke	shrubby tree of southern United States having large plumes of feathery flowers resembling puffs of smoke