Cassia occidentalis

from WordNet (r) 3.0 (2006)

Cassia occidentalis
    n 1: very leafy malodorous tropical weedy shrub whose seeds have
         been used as an adulterant for coffee; sometimes classified
         in genus Cassia [syn: {coffee senna}, {mogdad coffee},
         {styptic weed}, {stinking weed}, {Senna occidentalis},
         {Cassia occidentalis}]

from The Collaborative International Dictionary of English v.0.48

Styptic \Styp"tic\, a. [L. stypticus, Gr. ?, fr. ? to contract.]
   Producing contraction; stopping bleeding; having the quality
   of restraining hemorrhage when applied to the bleeding part;
   astringent. [Written also {stiptic}.]
   [1913 Webster]

   {Styptic weed} (Bot.), an American leguminous herb ({Cassia
      occidentalis}) closely related to the wild senna.
      [1913 Webster]