Stapeliads are mainly from Southern Africa. They are called carrion flowers because of the smell they emit to attract flies for pollination.
Sansevieria is a genus of about 70 species of flowering plants, native to Africa, Madagascar and southern Asia. Common names include mother-in-law's tongue, devil's tongue, and snake plant.
The name means "Thick Foot". Native to only Southern Africa and Madagascar.
Dudleya from North America, Cotyledon from South Africa to Arabia
Gasteria is a genus of succulent plants, native to South Africa (and the far south-west corner of Namibia).
The varied genus Crassula contains around 200 species and many cultivars.
Caudiciform plants, also known as ‘Fat Plants’, are a grouping of many totally unrelated plants all having a fat, short, swollen stem-trunk.
All variegates are mutants. Something has gone wrong with the cellular structure of the leaf or stem growth tip (apical meristem) of the plant.
Sometimes called "Living Stones".
These 2 caudiciform genera, are unrelated except that they are both from Africa and Southeast Asia and are named after the country Aden.