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Black Henbane

black henbane

Hyoscyamus niger

Family Name:

Solanaceae

Class: C
Other Names:  hog's bean, stinking nightshade
 Why is it a noxious weed? Black henbane is a cultivated ornamental plant and that has spread throughout the United States. It contains hyoscyamine and other alkaloids which have been known to cause occasional livestock poisoning. It is also considered a poisonous plant to humans.

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Washington State Weeds