| jamestown weed | <botany> The poisonous thorn apple or stramonium (Datura stramonium), a rank weed early noticed at Jamestown, Virginia. See Datura. This name is often corrupted into jimson, jimpson, and gympsum. Source: Websters Dictionary (01 Mar 1998) |
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| jimson weed | Jimson weed is often abused in young people for its intoxicating properties. If this plant is smoked or the seeds are ingested an acute anticholinergic poisoning can result. Fever, flushed face, confusion, violent behaviour, inability to urinate and dry mouth are associated features. (27 Sep 1997) |
| joe-pye weed | <botany> A tall composite plant of the genus Eupatorium (E. Purpureum), with purplish flowers, and whorled leaves. Source: Websters Dictionary (01 Mar 1998) |
| yaw-weed | <botany> A low, shrubby, rubiaceous plant (Morinda Royoc) growing along the seacoast of the West Indies. It has small, white, odourous flowers. Source: Websters Dictionary (01 Mar 1998) |