true senna

/tru ˌsɛnə/

Definitions of true senna

1. noun

   erect shrub having racemes of tawny yellow flowers; the dried leaves are used medicinally as a cathartic; sometimes placed in genus Cassia
   synonyms: Alexandria senna, Alexandrian senna, Cassia acutifolia, Cassia augustifolia, Indian senna, Senna alexandrina, tinnevelly senna

   type of:

   senna

   any of various plants of the genus Senna having pinnately compound leaves and showy usually yellow flowers; many are used medicinally