Meconopsis napaulensis (Nepal poppy or satin poppy) is a plant of the family Papaveraceae. The plant contains beta-carbolines, which (in doses high enough) act as a psychedelic drug. However, its phytochemistry remains predominantly unstudied. Recent taxonomical reclassification by Grey-Wilson (2006) has separated 4 new species from M. napaulensis: M. chankheliensis, M. ganeshensis, M. staintonii and M. wilsonii, while M. wallichii has been reinstated. M. wallichii had been previously described in 1852 by Hooker, but was later placed under the species M. napaulensis by Taylor in 1934.