Senna marilandica vs wild senna

Senna marilandica and wild senna both are nouns.

Word	Noun	Adjective	Verb	Adverb
Senna marilandica	Yes	No	No	No
wild senna	Yes	No	No	No

As nouns, Senna marilandica and wild senna are synonyms defined as:

Senna marilandica and wild senna: North American perennial herb; leaves are used medicinally; sometimes placed in genus Cassia

Other synonyms of Senna marilandica include Cassia marilandica.

Senna marilandica (noun)	wild senna (noun)
North American perennial herb; leaves are used medicinally; sometimes placed in genus Cassia	North American perennial herb; leaves are used medicinally; sometimes placed in genus Cassia