Alexandrian senna vs Cassia augustifolia

Alexandrian senna and Cassia augustifolia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Alexandrian senna	Yes	No	No	No
Cassia augustifolia	Yes	No	No	No

As nouns, Alexandrian senna and Cassia augustifolia are synonyms defined as:

Alexandrian senna and Cassia augustifolia: erect shrub having racemes of tawny yellow flowers; the dried leaves are used medicinally as a cathartic; sometimes placed in genus Cassia

Alexandrian senna (noun)	Cassia augustifolia (noun)
erect shrub having racemes of tawny yellow flowers; the dried leaves are used medicinally as a cathartic; sometimes placed in genus Cassia	erect shrub having racemes of tawny yellow flowers; the dried leaves are used medicinally as a cathartic; sometimes placed in genus Cassia