[1] : 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
see also:
datura stramonium datura 

[2] : The Collaborative International Dictionary of English v.0.48

stramonium \stramo"nium\, n. nl.; cf. f. stramoine. bot.
   a poisonous plant datura stramonium; stinkweed. see
   datura, and jamestown weed.
   1913 webster
see also:
datura stramonium datura jamestown weed 

[3] : The Collaborative International Dictionary of English v.0.48

atropine \at"ropine\, n. gr. ? inflexible; hence ? ?, one of
   the three parcae; 'a priv. + ? to turn. chem.
   a poisonous, white, crystallizable alkaloid, extracted from
   the atropa belladonna, or deadly nightshade, and the
   datura stramonium, or thorn apple. it is remarkable for its
   power in dilating the pupil of the eye. called also
   daturine.
   1913 webster
see also:
atropa belladonna datura stramonium daturine 

[4] : WordNet (r) 2.0

datura stramonium
     n : 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
see also:
jimsonweed jimson weed jamestown weed common thorn apple apple of peru 

Stramonium >> S Words
Stramonium, definition of term: Stramonium
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Datura >> D Words
Datura, definition of term: Datura
datura_pag1.html