<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2009) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2009) (Learn how and when to remove this template message) </Td> </Tr> <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> <Table> <Tr> <Td> </Td> <Td> This section does not cite any sources . Please help improve this section by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2016) (Learn how and when to remove this template message) </Td> </Tr> </Table>

Flowers that bloom only one night a year