Zanthoxylum oahuense
Zanthoxylum oahuense, commonly known as ae or Oahu prickly-ash, is a species of flowering plant in the family Rutaceae, that is endemic to the island of Oahu in Hawaii. It is a small tree, reaching a height of. Ae inhabits Hawaiian [tropical rainforests#Mixed mesic forests|mixed mesic] and wet forests at elevations of. It is threatened by habitat loss.