Title: Hyoscyamus

Additional Names: Henbane; hog's bean; insane root; poison tobacco; black henbane

Literature References: Dried leaves, with or without the tops, of Hyoscyamus niger L., Solanaceae, yielding 0.040% hyoscyamus alkaloids (chiefly hyoscyamine and scopolamine). The leaves and seeds have been used as smooth muscle relaxants. The alkaloid content of the seeds is less than that of the leaves. Egyptian henbane (Hyoscyamus muticus L., Solanaceae) contains about 0.5% alkaloids. Habit. Europe, Africa, Asia, naturalized in U.S.; cultivated in England. Constit. Leaves: scopolamine, hyoscyamine, hyoscipicrin, choline.