Many from Madagascar, some from Africa and Asia in or near India.
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.