Dubautia arborea

Dubautia arborea, the tree dubautia or Mauna Kea dubautia, is a species of flowering plant that forms a shrub or small tree. The species is a member of the silversword alliance and the family Asteraceae. It is endemic to the island of Hawaii and is endangered.

Description

Dubautia arborea is one of the larger Dubautia, growing up to tall and across. It most often resembles a large shrub. It produces yellow flowers, with flowering mostly occurring July–December.

Taxonomy

The species is a member of the silversword alliance and the family Asteraceae.

Distribution and habitat

Dubautia arborea grows at high elevations on Mauna Kea and Hualalai, inhabiting subalpine Hawaiian [tropical dry forests|dry forests] dominated by māmane, high elevation shrublands, and the alpine stone desert above the tree line.

Ecology

It is an endangered species that is threatened by feral grazing animals.