Cassia Marilandica

from WordNet (r) 3.0 (2006)

Cassia marilandica
    n 1: North American perennial herb; leaves are used medicinally;
         sometimes placed in genus Cassia [syn: {wild senna}, {Senna
         marilandica}, {Cassia marilandica}]

from The Collaborative International Dictionary of English v.0.48

Senna \Sen"na\, n. [Cf. It. & Sp. sena, Pg. sene, F. s['e]n['e];
   all fr. Ar. san[=a].]
   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.
      [1913 Webster]

   2. (Bot.) The plants themselves, native to the East, but now
      cultivated largely in the south of Europe and in the West
      Indies.
      [1913 Webster]

   {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.
      [1913 Webster]