Senna marilandica vs Cassia marilandica

Senna marilandica and Cassia marilandica both are nouns.

Word	Noun	Adjective	Verb	Adverb
Senna marilandica	Yes	No	No	No
Cassia marilandica	Yes	No	No	No

As nouns, Senna marilandica and Cassia marilandica are synonyms defined as:

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

Other synonyms of Senna marilandica include wild senna.

Senna marilandica (noun)	Cassia marilandica (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