DICT.TW Dictionary Taiwan

 Sen·na n.
 1. Med. The leaves of several leguminous plants of the genus Cassia. (Cassia acutifolia, Cassia angustifolia, etc.). They constitute a valuable but nauseous cathartic medicine.
 2. Bot. The plants themselves, native to the East, but now cultivated largely in the south of Europe and in the West Indies.
 Bladder senna. Bot. See under Bladder.
 Wild senna Bot., the Cassia Marilandica, growing in the United States, the leaves of which are used medicinally, like those of the officinal senna.
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 Cassia acutifolia
      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, true senna, tinnevelly senna, Indian
          senna, Senna alexandrina, Cassia augustifolia]