Plants of Hawaii Volcanoes National Park

Scientific Name Dubautia ciliolata (DC) D. Keck
Family Asteraceae

Other Names
Status Endemic
Distribution & Habitat Widespread and common in dry habitats, especially on lava, 900-3,200 m, Hawai'i  (Wagner et al., 1990 297).
Locations in this Guide South-West Rift Zone, Devil's Throat, Top of the Strip Road
General Appearance
This is an erect, semi-rigid shrub with many branches that extend up to about 1.8 m tall (Wagner, et al. 1990: 295).

Carlquist (1980: 373) calls it a "spiky shrub."

South-West Rift Zone

Puhimau Hot Spot (parking area)

Puhimau Hotspot (Pit Crater)

Puhimau Hotspot (Pit Crater)
Leaves
The leaves are whorled and abscise early (Caraway and Morden, pers. comm.)

The leaves are crisp and stiff.  They are arranged as alternating groups of threes (Carlquist 1980: 252).

Puhimau Hot Spot (Pit Crater)
Flowers & Fruits
The flowers have a yellow-orange corola.  There are usually less than 20 flower heads on a plant (Wagner, et al. 1990: 297).

Note that the flower stalk is elongated.

Puhimau Hot Spot (parking area)

Puhimau Hotspot (Pit Crater)

Puhimau Hotspot (Pit Crater)

Puhimau Hotspot (Pit Crater)

Puhimau Hotspot (Pit Crater)
Phenology Flowers primarily from June to November  (Wagner, et al. 1990: 297).
Near Puhimau Hotspot No flowers. 5/8/01
Near Puhimau Hotspot No flowers. 6/10/01
Near Puhimau Hotspot No flowers. 6/16/01
     
Natural History
Conservation
Miscellaneous Photos
Other Notes V. Caraway and C. Morden (pers. comm.) found a hybrid between D. ciliolata and D. scabra, which is an upright shrub, has whorled and alternate leaves on the same plant. It has a lemon-yellow corolla and an elongated flower stalk.  This is reported to be common on Kilauea Iki (C. Felling, pers. comm.)

References
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Last Updated: 08/05/03

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