Dubautia arborea, the tree dubautia[1] or Mauna Kea dubautia,[2] is a species of flowering plant in the family Asteraceae. A member of the silversword alliance, it is endemic to the island of Hawaiʻi. It is a shrub or small tree. It is an endangered species that is threatened by feral grazing animals.[1]

Description

Dubautia arborea is one of the larger Dubautia, growing up to 6 m tall and 4 m across. It most often resembles a large shrub. It produces yellow flowers, with flowering mostly occurring July–December.[3]

Habitat and distribution

Dubautia arborea grows at high elevations (2,125–3,100 m) on Mauna Kea and Hualalai, inhabiting subalpine dry forests dominated by māmane, high elevation shrublands, and the alpine stone desert above the tree line.

Dubautia arborea growing on the leeward slopes of Mauna Kea

References

  1. ^ a b c World Conservation Monitoring Centre (1998). "Dubautia arborea". IUCN Red List of Threatened Species. 1998: e.T30770A9577225. doi:10.2305/IUCN.UK.1998.RLTS.T30770A9577225.en. Retrieved 17 November 2021.
  2. ^ Dubautia arborea. USDA PLANTS.
  3. ^ "Hawaiian silversword alliance, UH Botany". www.botany.hawaii.edu. Retrieved 2023-07-27.

External links

Media related to Dubautia arborea at Wikimedia Commons