A cactus (plural: cacti, cactuses, or cactus) is a member of the plant family Cactaceae,Although the spellings of botanical families have been largely standardized, there is little agreement among botanists as to how these names are to be pronounced.
Disocactus is a genus of epiphytic cacti in the tribe Hylocereeae found in Central America, the Caribbean and northern South America.
Disocactus × hybridus is a hybrid between Disocactus phyllanthoides and Disocactus speciosus.
Disocactus phyllanthoides, the nopalxochitl or German empress, is a species of flowering plant in the cactus family Cactaceae and is commonly grown as an ornamental houseplant.
The prefix epi, or ep if followed by a vowel or the letter "h", is derived from the Greek preposition ἐπί meaning: above, on, over, nearby, upon; outer; besides, in addition to; among; attached to; or toward.
Epiphyllum ("upon the leaf" in Greek) is a genus of 19 species of epiphytic plants in the cactus family (Cactaceae), native to Central America.
The Hylocereeae are a tribe of cacti.
Orchid cactus is an English name for a plant which may refer to.