DICT.TW Dictionary Taiwan

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