Zanthoxylum oahuense
Encyclopedia
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 (16.4 ft). Ae inhabits mixed mesic and wet forests at elevations of 580–800 m (1,902.9–2,624.7 ft). It is threatened by habitat loss.
Flowering plant
The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...
in the citrus
Citrus
Citrus is a common term and genus of flowering plants in the rue family, Rutaceae. Citrus is believed to have originated in the part of Southeast Asia bordered by Northeastern India, Myanmar and the Yunnan province of China...
family, Rutaceae
Rutaceae
Rutaceae, commonly known as the rue or citrus family, is a family of flowering plants, usually placed in the order Sapindales.Species of the family generally have flowers that divide into four or five parts, usually with strong scents...
, that is endemic to the island of Oahu
Oahu
Oahu or Oahu , known as "The Gathering Place", is the third largest of the Hawaiian Islands and most populous of the islands in the U.S. state of Hawaii. The state capital Honolulu is located on the southeast coast...
in Hawaii
Hawaii
Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...
. It is a small tree
Tree
A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...
, reaching a height of 5 m (16.4 ft). Ae inhabits mixed mesic and wet forests at elevations of 580–800 m (1,902.9–2,624.7 ft). It is threatened by habitat loss.