kadupul noun[before a noun]1 •Epiphyllum strictum or Epiphyllum selenicereus, a flower that blooms at night, believed to have an association with the nāga world.It's made from the kadupul flower. The kadupul blooms once a year under the cover of night and withers away before dawn, making it the rarest and most exquisite botanical on the planet. — 2015 formsKadupuls · kadupuls