There were different recipes in Voodoo spells for cure-all; one recipe was to mix jimson weed (Warning: due to the toxicity of Jimson Weed, it is not advised for unskilled practitioners to create) with sulfur and honey.
It can also be extracted from plants of the family Solanaceae as well, including Atropa belladonna (deadly nightshade), Datura inoxia and Datura stramonium (jimson weed).
Hyoscyamine can be extracted from plants of the Solanaceae family, notably Datura stramonium.
These weed species include Solanum nigrum (nightshade), S. aculeatissimum (soda apple), Chenopodium album (pigweed), Datura stramonium (jimson weed), Linaria canadensis (blue toadflax), and Physalis spp.