Source : Webster's Revised Unabridged Dictionary (1913)

Datura \Da*tu"ra\, n. [NL.; cf. Skr. dhatt?ra, Per. & Ar.
   tat?ra, Tat?la.] (Bot.)
   A genus of solanaceous plants, with large funnel-shaped
   flowers and a four-celled, capsular fruit.

   Note: The commonest species are the thorn apple ({D.
         stramonium}), with a prickly capsule (see Illust. of
         {capsule}), white flowers and green stem, and {D.
         tatula}, with a purplish tinge of the stem and flowers.
         Both are narcotic and dangerously poisonous.