1) Caryophylloid dicot genus 2) Genus aporocactus 
(Rat's Tail Cactus) This group of epiphytic cacti is native to Mexico. Growing on trees and in rocky crevices in their native habitats, these cacti are excellent for growing in hanging baskets. Commonly known as Rat's Tail Cactus, they consist of long, pendulous, slender stems that are clothed with small tufts of reddish-brown, bristly spines. The ...
[n] - small genus of epiphytic cacti of Mexico
genus Aporocactus noun small genus of epiphytic cacti of Mexico