Origin and Habitat: Vitoria da Conquista, Bahia, Brazil.

• Melocactus conquistaensis hort.

Description: "Melocatus conquistaensis" is a nomen nudum (undescribed name) used by some seeds collectors and succulent traders to indicate different plants from the city of Vitoria da Conquista, located in the state of Bahia in Brazil. In Vitoria da Conquista occur the following taxa of Melocactus: Melocactus zehntneri, Melocactus ernestiiSN|17766]]SN|2264]], Melocactus concinnusSN|20575]]SN|11349]], and Melocactus conoideusSN|17766]]SN|17766]]. The latter is an endangered species in habitat.
Melocactus concinnusSN|11349]]SN|11349]] has a glaucous-blue epidermis. The others have a green epidermis. Melocactus conoideusSN|17766]]SN|17766]] is disc-shaped and has short spines, usually 8 + 1 central. Melocactus zehntneriSN|11349]]SN|20575]] is variable, but is always globular to elongated, and has spines similar to those of Melocactus conoideusSN|2264]]SN|17766]], although stouter and larger. Melocactus ernestii has a globular body and brownish-red long spines.