a genus on its own according to molecular evidence. Species , Plants of the World Online accepted the following species: Synonymy The boundaries of the genera in the tribe Hylocereeae have been subject to considerable change and uncertainty, which is reflected in the number of names which have been used for Disocactus: Bonifazia Standl. & Steyerm. Chiapasia Britton & Rose Heliocereus (A.Berger) Britton & Rose Lobeira Alexander Nopalxochia Britton & Rose Pseudonopalxochia Backeb. Wittia K.Schum. Wittiocactus Rauschert Cultivation References External links Cacti of North America Cacti of South America Flora of Central America Epiphytes Cactoideae genera