Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Zanthoxylum oahuense - Zanthoxylum oahuense commonly known as Ae or Oahu Prickly-ash is a species of flowering plant in the citrus family Rutaceae that is endemic to the island of Oahu in Hawaii. It is a small tree reaching a height of 5 m (16 ft). Ae inhabits mixed mesic and wet forests at elevations of 580800 m (19002620 ft). It is threatened by habitat loss.
The answer to this question is:
Plant