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Datura wrighti, or sacred datura, is the name of a poisonous perennial plant and ornamental flower of southwestern North America. It is sometimes used as a hallucinogen. D. wrighti is classified as a deliriant and an anticholinergic.
Solanum douglasii is a species of plant in the family Solanaceae known by the common name greenspot nightshade.
Solanum xanti, known commonly as chaparral nightshade, purple nightshade, and San Diego nightshade, is a member of the genus Solanum. It is native to the Western United States in Arizona, California, Nevada, and Oregon, and to northwest Mexico in Baja California....