Cereus
Night-blooming cereus is the common name reffering to a large number of flowering ceroid cacti that blooms at night.The flowers are short lived,and some of the species,such as Selenicereus Grandiflorus,bloom only once a year,for a single night.Other names for one or more cacti with this habit are Princess of the night,Honolulu Queen(for hylocereus undatus),Christ in the manger,dama de noche,and Queen of the night(which is also used for unrelated plant species)
