Datura metel
According to Johnston, 'Datura fastuosa' (i.e. "Datura metel" 'Fastuosa') has the common name "mondzo" (alternative spelling "mondjo", the name being shared also with the (unrelated) "Combretum imberbe") in the Tsonga language and is a subspontaneous plant in the homeland of the Tsonga. Interestingly, in an (otherwise conventional) brief description of the plant he describes the seeds as being "blackish brown", rather than the pale, somewhat tawny shade of brown normal to those of "Datura metel" cultivars. The consumption by "khomba" neophytes of a potion prepared from the plant forms the culmination of three months of rituals which are timed to follow the May harvest and involve ritual bathing (immersion) and the performing of secret mimes, dances and songs.