Dubautia scabra

Dubautia scabra, or rough dubautia, is a species of Dubautia endemic to the state of Hawai'i and is found on the islands of Hawaii (island), Maui, Molokai, and Lanai. It is a member of the silversword alliance. Two subspecies have been described, with the nominate subspecies Dubautia scabra scabra being found only on Maui and Hawaii (island).[1]

Dubautia scabra
Growing on a lava flow produced by a Mauna Loa eruption in 1935

Vulnerable  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Dubautia
Species:
D. scabra
Binomial name
Dubautia scabra
Native range

Description

Dubautia scabra grows as a shrub with circular rosettes of leaves. It sometimes becomes mat-forming. Flowers are white, with blooming occurring at any time most frequently in the summer.[2]

Distribution and habitat

Dubautia scabra occupies low and moderate elevations on the islands where it occurs, growing at elevations between 75–2500 m. It often grows on barren lava flows, but can also be found in wet tropical rainforests, with the subspecies leiophylla most frequently found in the latter habitat.

References
  1. "Flora of the Hawaiian Islands". naturalhistory2.si.edu. Retrieved 28 July 2023.
  2. "Hawaiian silversword alliance, UH Botany". www.botany.hawaii.edu. Retrieved 28 July 2023.


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