from
The Collaborative International Dictionary of English v.0.48
Datura \Da*tu"ra\, n. [NL.; cf. Skr. dhatt[=u]ra, Per. & Ar.
tat[=u]ra, Tat[=u]la.] (Bot.)
A genus of solanaceous plants, with large funnel-shaped
flowers and a four-celled, capsular fruit.
[1913 Webster]
Note: The commonest species are the thorn apple ({D.
stramonium}), with a prickly capsule (see Illust. of
{capsule}), white flowers and green stem, and {Datura
tatula}, with a purplish tinge of the stem and flowers.
Both are narcotic and dangerously poisonous.
[1913 Webster]