Dubautia
Encyclopedia
Dubautia is a genus of flowering plant
in the sunflower
family, Asteraceae
, that is endemic to Hawaii
. It contains more species than the other two genera in the silversword alliance
, including cushion plant
s, shrubs, trees, and liana
s.
Flowering plant
The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...
in the sunflower
Sunflower
Sunflower is an annual plant native to the Americas. It possesses a large inflorescence . The sunflower got its name from its huge, fiery blooms, whose shape and image is often used to depict the sun. The sunflower has a rough, hairy stem, broad, coarsely toothed, rough leaves and circular heads...
family, Asteraceae
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...
, that is endemic to Hawaii
Hawaii
Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...
. It contains more species than the other two genera in the silversword alliance
Silversword alliance
Silversword alliance refers to an adaptive radiation of over 50 species in the composite or sunflower family, Asteraceae. The group is endemic to Hawaii, and is derived from a single immigrant to the islands...
, including cushion plant
Cushion plant
A cushion plant is a compact, low growing, mat forming plant that is found in alpine, subalpine, arctic, or subarctic environments around the world...
s, shrubs, trees, and liana
Liana
A liana is any of various long-stemmed, woody vines that are rooted in the soil at ground level and use trees, as well as other means of vertical support, to climb up to the canopy to get access to well-lit areas of the forest. Lianas are especially characteristic of tropical moist deciduous...
s.
Selected species
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Dubautia microcephala The Small-head Dubautia is a species of flowering plant in the Asteraceae family that is endemic to the island of Kauai in Hawaii. It is threatened by habitat loss.-References:... Skottsberg – Small-head Dubautia Dubautia pauciflorula Dubautia pauciflorula is a rare species of flowering plant in the aster family known by the common name Wahiawa bog dubautia. It is endemic to Hawaii where it is known only from the Wahiawa Mountains on the island of Kauai. There are fewer than 50 individuals remaining. It was federally listed as... H.St. John & G.D.Carr Dubautia plantaginea Dubautia plantaginea is a rare species of flowering plant in the aster family known by the common name plantainleaf dubautia. It is endemic to Hawaii where it is the only member of the silversword alliance that is found on all six of the largest islands . Two of the three subspecies are rare and... Gaudich.
Dubautia reticulata The Net-veined Dubautia is a species of flowering plant in the Asteraceae family that is endemic to the island of Maui in Hawaii. It is threatened by habitat loss.-References:... (Sherff) D.D.Keck – Net-veined Dubautia Dubautia waialealae Dubautia waialealae is a rare species of flowering plant in the aster family known by the common name Wai'ale'ale dubautia. It is endemic to Hawaii, where it is known only from Mount Waiʻaleʻale on Kauai. One individual was seen outside the range, about 14 kilometers away, but this plant is now... Rock |