true senna
n 1: 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}, {true senna}, {tinnevelly senna},
{Indian senna}, {Senna alexandrina}, {Cassia acutifolia},
{Cassia augustifolia}]