Solanum bonariense
NameSolanum bonariense
Scientific NameSolanum bonariense
Common NamesHairy Nightshade, Sticky Nightshade, Argentine Nightshade
Plant FamilySolanaceae
Natural HabitatNative to South America, particularly Argentina, Uruguay, Brazil, and Paraguay. It thrives in disturbed areas, roadsides, pastures, and agricultural fields, preferring full sun to partial shade and well-drained soils.
Parts Usedleaf,fruit
Medicinal Actionsanalgesic,anti-inflammatory
Traditional UsesDue to its high toxicity, Solanum bonariense is not widely used in traditional medicine. Some *Solanum* species have been historically applied externally for pain or inflammation, but internal use of S. bonariense is extremely dangerous and not recommended.
Active Constituentssteroidal glycoalkaloids, solanine, solamargine, solasonine
Preparation Methodspoultice
Contraindications & WarningsALL parts of Solanum bonariense are considered highly toxic due to the presence of steroidal glycoalkaloids. Ingestion can cause severe gastrointestinal upset, neurological symptoms, and can be fatal. It should never be consumed internally. External use should also be approached with extreme caution due to potential skin irritation and absorption. Pregnant women, children, and individuals with liver or kidney conditions must strictly avoid contact.
Cultivation NotesThis plant is easily grown from seed and can become weedy. It prefers full sun to partial shade, well-drained soil, and is drought-tolerant once established. It is often considered an invasive species in non-native regions.
Raritycommon
Description
Solanum bonariense is an erect to sprawling perennial herb or subshrub, characterized by sticky-hairy stems and leaves. It produces star-shaped white to pale blue flowers with prominent yellow anthers, followed by small, spherical green berries that ripen to black.
