Zanthoxylum kauaense
 Zanthoxylum kauaense commonly known as Aʻe or Kauaʻi Prickly-ash is a species of flowering plant in the citrus family Rutaceae that is endemic to Hawaii. It usually inhabits mixed mesic forests at elevations of 300–1980 m (980–6500 ft) but can also be found in dry and wet forests. It is threatened by habitat loss.