Several low dwarf species of honeysuckle formed stunted bushes like heather; and Anisodus, a curious plant allied to hyoscyamus, whose leaves are greedily eaten by yaks, was very common.
"Himalayan Journals V2."
J. D. Hooker
115. Trichodesma 168. hyoscyamus n.
"Southern Arabia"
Theodore Bent Mabel Bent
In fact it is closely allied to hyoscyamus, whose active principle, hyoscin, is used in modern medicine precisely for such purposes.
"The Evolution of the Dragon"
G. Elliot Smith