1) Caryophylloid dicot genus 2) Genus harrisia 
Harrisia is the name of two genera of life forms: ...[plant] Harrisia martinii is an exotic invasive in Australia, Africa, and the U.S. state of Hawaii. The genera Eriocereus (A.Berger) Riccob. and Roseocereus Backeb. have been brought into synonymy with this genus. Species include: ...
[n] - genus of slender often treelike spiny cacti with solitary showy nocturnal white or pink flowers