The genus Huernia consists of some 60 species of stem succulents from Eastern and Southern Africa. The flowers are five lobed, usually somewhat more funnel or bell shaped than the closely related genusStapelia and often striped vividly in contrasting colours or tones, some glossy, others matt and wrinkled depending on the species concerned.
The primary dye is chlorophyl, however, the colour may be further influenced by the proportion of bethanine dyes and by the presence if epidermal waxes.
Huernia zebrina was one of the first plants in my stapeliads collection.