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A genus of solanaceous plants. Several species (Datura arborea, Datura fastuosa, Datura ferox, and Datura sanguinea) are used in Brazil, India, and Peru to produce unconsciousness. The seeds contain hyoscine (scopolamine), an alkaloid with an anticholinergic action similar to that of atropine.


(də-to͝or′ə, -tyo͝or′ə)
Any of several plants of the genus Datura in the nightshade family, having trumpet-shaped flowers up to 25 centimeters (10 inches) long and usually prickly fruits. The leaves and seeds yield alkaloids with narcotic properties. Also called thorn apple.


n See jimsonweed.


a genus of toxic plants in the family Solanaceae; contain tropane alkaloids including hyoscine (scopolamine), hyoscyamine, atropine which cause excitement, restlessness, pupillary dilation, dryness of the oral mucosa. Poisoning in animals is rare and usually results from eating crushed seeds. Includes D. candida (Brugmansia, angel's trumpet), D. ferox (false castor oil plant, thorn apple), D. inoxia, D. leichhardtii, D. metel, D. meteloides, D. sanguinea (Brugmansia sanguinea), D. suaveolens (Brugmansia suaveolens), D. wrightii.
D. stramonium is also reported to cause arthrogryposis in piglets when fed to their dams. Fortunately the plant is very unpalatable. Called also devil's food, devil's trumpet, false castor oil plant, Jamestown lily, Jamestown weed, jimson weed, mad apple, thorn apple.