<P> Night - blooming cereus is the common name referring to a large number of flowering ceroid cacti that bloom at night . The flowers are short lived , and some of these 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 an unrelated plant species ) . </P>
<P> Night - blooming cereus is the common name referring to a large number of flowering ceroid cacti that bloom at night . The flowers are short lived , and some of these 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 an unrelated plant species ) . </P>
flowers that bloom only one night a year
flowers that bloom only one night a year
Selenicereus grandiflorus
Selenicereus grandiflorus