"Mistletoe cactus" redirects here. This may also mean specifically Rhipsalis baccifera, or, more generally, other Rhipsalideae."Cactus mistletoe" is Tristerix aphylla, a Chilean species of mistletoe, whose preferred hosts are two species of cactus.Rhipsalis is a genus of epiphytic cacti. They are typically known as mistletoe cacti. The scientific name derives from the Ancient Greek term for wickerwork, referring to the plants' habitus.