Solanum aculeastrum, sometimes called the "Sodom apple" in the southern African regions where it grows, is a thorny shrub of the nightshade family, well known to traditional healers for its bitter yellow fruit. Long treated with both respect and caution, it holds a particular place in the folk pharmacopoeias of South Africa, Zimbabwe, and neighboring regions.
The fruit, made into an external preparation, was traditionally applied to certain skin conditions, particularly stubborn warts or wounds, according to uses reported in southern Africa.
In certain folk traditions, the juice or pulp of the fruit was applied locally to soothe tooth or gum pain.
Traditional healers of southern Africa report an old use of this plant in the empirical treatment of certain livestock ailments.
Beyond its physical uses, the plant is sometimes mentioned in traditional practices with symbolic or protective intent within certain communities.
A toxic plant: the fruit contains steroidal alkaloids (solasonine, solamargine) that can cause severe digestive and neurological trouble if ingested. Internal use is strongly discouraged without the guidance of a qualified professional precisely familiar with this species. Must be kept strictly out of reach of children and pets; cases of livestock poisoning are documented. Never use during pregnancy or breastfeeding, due to the lack of safety data and the known toxic risk.
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PFAF, Wikipedia