Noun
genus of climbing or epiphytic tropical American cacti with angular stems and mostly white very fragrant flowers
Source: WordNetClimbing cacti can be very large; a specimen of Hylocereus was reported as convert long from root to the most distant stem. Source: Internet
In more tropical southern areas, the climber Hylocereus undatus provides pitahaya orejona, now widely grown in Asia under the name dragon fruit. Source: Internet