The genus is considered close to the genera "Stapelia" and "Hoodia". Plants in the genus "Stapelia" are also called "carrion flowers". "Stapelia grandiflora" sometimes also goes by the name of "Stapelia flavirostris". "Stapelia gigantea" sometimes also goes by the name of "Stapelia nobilis" or "Stapelia marlothii". They frequently lay eggs around the coronae of "Stapelia" flowers, convinced by the plants' deception. Other reported host genera include the "Apocynum", "Gonolobus", "Sarcostemma", and "Stapelia". Stapelia flavopurpurea is a species of plant in the family Apocynaceae. Stapelia leendertziae is a species of succulent plant in the family Apocynaceae. "Stapelia adscendens" for a plant found in India. "Stapelia hirsuta" stems are subquadrangular in cross-section, about high, and to thick. "Stapelia hirsuta" flowers are flat, very hairy, dark-red and resemble rotting meat.