Noun: true senna
- Erect shrub having racemes of tawny yellow flowers; the dried leaves are used medicinally as a cathartic; sometimes placed in genus Cassia
"True senna was cultivated for its medicinal properties";
- Alexandria senna, Alexandrian senna, tinnevelly senna, Indian senna, Senna alexandrina, Cassia acutifolia, Cassia augustifolia
Type of: senna