The alternative name given to Sceletium tortuosum in South Africa is Kanna.
According to UrbanDictionary:
Kanna, Genus name Sceletium tortuosum, is a succulent groundcover which produces showy white flowers with threadlike petals. Its fermented roots and leaves were chewed by the Hotentot tribe of S. Africa as a vision-inducing entheogen and inebriant. The plant contains mesembrine, though the pharmacology of kanna is not fully understood.
You can buy kanna from our online shop here.
Read the Feedback and Reviews about Kanna on WebMD.