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The leaves and flowering tops of Hyoscyamus niger (family Solanaceae); contains hyoscyamine and hyoscine (scopolamine); an anticholinergic and antispasmodic.
[G. hyoskyamos, henbane or hog's bean, fr. hys, gen. hyos, a hog, + kyamos, a bean]
Farlex Partner Medical Dictionary © Farlex 2012
A poisonous Eurasian plant (Hyoscyamus niger) in the nightshade family, having a strong odor, sticky leaves, and funnel-shaped greenish-yellow flowers. It is a source of hyoscyamine.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
A herb that is the primary source of atropine, hyoscyamine and scopolamine; henbane was formerly used by herbalists, but is now regarded as unsafe by the FDA.
Blurred vision, convulsions, delirium stupor, vertigo, and in high amounts, death.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.