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A'e
Zanthoxylum oahuense (Oahu pricklyash) (16161662066).jpg
Conservation status
Scientific classification
Genus:
Zanthoxylum
Species:
oahuense
Synonyms

Fagara oahuensis (Hillebr.) Engler

Zanthoxylum oahuense, often called a'e or Oʻahu prickly-ash, is a type of flowering plant. It belongs to the Rutaceae family, which includes citrus fruits. This plant is special because it is endemic to the island of Oʻahu in Hawaii. This means it grows naturally only on Oʻahu and nowhere else in the world.

The a'e plant is a small tree. It can grow up to about 5 meters (about 16 feet) tall.

Where Does A'e Live?

The a'e tree lives in specific types of forests on Oʻahu. It prefers mixed mesic forests and wet forests.

What are Mixed Mesic Forests?

Mixed mesic forests are places that get a medium amount of rainfall. They are not too dry and not too wet. These forests are found at certain elevations on the island.

What are Wet Forests?

Wet forests are like rainforests. They receive a lot of rain. The a'e tree grows in these wet areas too. You can find a'e trees at elevations between 580 and 800 meters (about 1,900 to 2,600 feet) above sea level.

Why is A'e Important?

The a'e tree is an important part of Hawaii's unique plant life. Being endemic, it helps make Oʻahu's ecosystems special. It is a native species that has adapted to its island home over a very long time.

What Threats Does A'e Face?

Sadly, the a'e tree is facing challenges. It is threatened by habitat loss. This means that the natural places where it grows are shrinking.

What Causes Habitat Loss?

Habitat loss happens when forests are cleared for buildings or farms. It can also be caused by invasive plants that take over the space where native plants like a'e usually grow. Protecting these special trees helps keep Hawaii's natural beauty and biodiversity safe.

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