Fraxinus chiisanensis
Fraxinus chiisanensis Nakai

Fraxinus chiisanensis, the Jirisan ash, is a species in the Oleaceae family native to South Korea. It is classified as Endangered due to population fragmentation and logging pressure. Despite this status, it remains dominant in the streamside mountain forests where it is found. The species is characterized by compound leaves and is one of several species within the Fraxinus genus. It was first described in 1929 by Nakai.
Description
Fraxinus chiisanensis is a tree species in the Oleaceae family, found in South Korea. It is known for its compound leaves and is part of the Fraxinus genus. The species is considered Endangered due to a limited number of mature trees—approximately 20,000 in nine locations—and threats from habitat fragmentation and logging. Despite these challenges, it continues to be a dominant tree in the mountain forests where it occurs. The species was first described in 1929 by Nakai.
Distribution
Global · Korea
Synonyms
Fraxinus chiisanensis var. stenophylla


