Sierra Madre nightshade
NameSierra Madre nightshade
Scientific NameSolanum grayi
Common NamesSierra Madre nightshade, Gray's nightshade
Plant FamilySolanaceae
Natural HabitatNative to arid and semi-arid regions, often found in rocky slopes, canyons, grasslands, and disturbed areas in the Sierra Madre Occidental of Mexico and adjacent southwestern United States.
Parts Usedleaf,root
Medicinal Actionsanalgesic,anti-inflammatory,sedative
Traditional UsesDue to its high toxicity, traditional medicinal uses of Sierra Madre nightshade are extremely limited and typically involve external applications for pain relief or inflammation, or highly controlled, minute internal doses as a sedative by experienced practitioners. It is critical to note that this plant is generally considered poisonous and should not be used internally without expert guidance.
Active ConstituentsGlycoalkaloids, Solanine, Solasodine
Preparation Methodspoultice
Contraindications & WarningsAll parts of Solanum grayi are considered toxic due to the presence of glycoalkaloids. It is contraindicated for internal use, during pregnancy, lactation, in children, and for individuals with liver or kidney conditions. Use only externally with extreme caution and under expert supervision.
Cultivation NotesPrefers full sun and well-drained, sandy or rocky soils. It is drought-tolerant once established and can be propagated by seed. Often considered a weed in its native range.
Raritycommon
Description
This spiny perennial herb or subshrub is characterized by its deeply lobed, grayish-green, hairy leaves and striking purple, star-shaped flowers with prominent yellow anthers. It produces small, spiny green fruits that mature into berries. All parts of the plant are considered toxic.
