Jamestown weed

from WordNet (r) 3.0 (2006)

Jamestown weed
    n 1: intensely poisonous tall coarse annual tropical weed having
         rank-smelling foliage, large white or violet trumpet-shaped
         flowers and prickly fruits [syn: {jimsonweed}, {jimson
         weed}, {Jamestown weed}, {common thorn apple}, {apple of
         Peru}, {Datura stramonium}]

from The Collaborative International Dictionary of English v.0.48

Jamestown weed \James"town` weed`\ (Bot.)
   The poisonous thorn apple or stramonium ({Datura
   stramonium}), a rank weed early noticed at Jamestown,
   Virginia. See {Datura}.
   [1913 Webster]

   Note: This name is often corrupted into jimson, jimpson, and
         gympsum.
         [1913 Webster]

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