Found 2 items, similar to Jamestown weed.
English → English (WordNet) Definition: Jamestown weed Jamestown weed 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, common thorn apple, apple of Peru, Datura stramonium ]
English → English (gcide) Definition: Jamestown weed 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]