Tetramolopium
Encyclopedia
Tetramolopium is a genus
of plants in the composite family (Asteraceae)
. About 25 species are native to New Guinea
, eleven species are found in Hawaii
, and one in the Cook Islands
, with the island populations apparently representing a recent (by evolutionary standards) colonization. It is related to Camptacra
, Kippistia
, Minuria
, Peripleura
, and Vittadinia
all of which are from Australia
, New Guinea, New Zealand
, or Pacific islands
.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of plants in the composite 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...
. About 25 species are native to New Guinea
New Guinea
New Guinea is the world's second largest island, after Greenland, covering a land area of 786,000 km2. Located in the southwest Pacific Ocean, it lies geographically to the east of the Malay Archipelago, with which it is sometimes included as part of a greater Indo-Australian Archipelago...
, eleven species are found in 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...
, and one in the Cook Islands
Cook Islands
The Cook Islands is a self-governing parliamentary democracy in the South Pacific Ocean in free association with New Zealand...
, with the island populations apparently representing a recent (by evolutionary standards) colonization. It is related to Camptacra
Camptacra
Camptacra is a genus of flowering plants in the daisy family, Asteraceae....
, Kippistia
Kippistia
Kippistia is a genus of flowering plants in the daisy family.The name commemorates Richard Kippist, librarian to the Linnean Society.Species include:* Kippistia suaedifolia...
, Minuria
Minuria
Minuria is a genus of annuals, perennials and dwarf shrubs in the family Asteraceae. All species are endemic to Australia.Species include:*Minuria annua J.M.Black - Annual Minuria*Minuria chippendalei Lander & Barry...
, Peripleura
Peripleura
Peripleura is a genus of flowering plants in the daisy family, Asteraceae....
, and Vittadinia
Vittadinia
Vittadinia is a genus of flowering plants in the daisy family, Asteraceae.Species include:*Vittadinia arida N.T.Burb.*Vittadinia australasica N.T.Burb. - Sticky New Holland Daisy*Vittadinia bicolor N.T.Burb....
all of which are from Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
, New Guinea, New Zealand
New Zealand
New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...
, or Pacific islands
Pacific Islands
The Pacific Islands comprise 20,000 to 30,000 islands in the Pacific Ocean. The islands are also sometimes collectively called Oceania, although Oceania is sometimes defined as also including Australasia and the Malay Archipelago....
.
Selected species
- Tetramolopium arenariumTetramolopium arenariumTetramolopium arenarium is a rare species of flowering plant in the aster family known by the common name Maui tetramolopium. It is endemic to Hawaii, where it is known only from the island of Hawaii. It is extirpated from Maui. It is threatened by the degradation of its habitat...
(A.Gray) Hillebr. – Maui Tetramolopium - Tetramolopium capillareTetramolopium capillareTetramolopium capillare is a rare species of flowering plant in the aster family known by the common name pamakani. It is endemic to Hawaii, where it is known only from the island of Maui. There are four occurrences for a total of fewer than 200 individuals. It is threatened by the degradation of...
(Gaudich.) H.St.John – Pamakani - Tetramolopium consanguineum (A. Gray) Hillebr. – Forest Tetramolopium
- Tetramolopium conyzoides (A.Gray) Hillebr. – Smallhead Tetramolopium
- Tetramolopium filiformeTetramolopium filiformeTetramolopium filiforme is a rare species of flowering plant in the aster family known by the common name ridgetop tetramolopium. It is endemic to Hawaii, where it is known only from the Waianae Mountains on the island of Oahu. It is threatened by habitat degradation caused by feral goats and...
Sherff – Ridgetop Tetramolopium - Tetramolopium humile (A.Gray) Hillebr. – Alpine Tetramolopium
- Tetramolopium lepidotumTetramolopium lepidotumTetramolopium lepidotum is a rare species of flowering plant in the aster family known by the common name Waianae Range tetramolopium. It is endemic to Hawaii, where today it is known only from the Waianae Mountains on the island of Oahu...
(Less.) Sherff – Waianae Range Tetramolopium- Tetramolopium lepidotum subsp. arbusculum (A.Gray) Lowrey
- Tetramolopium lepidotum subsp. lepidotum
- Tetramolopium remyiTetramolopium remyiTetramolopium remyi is a rare species of flowering plant in the aster family known by the common names Awalua Ridge tetramolopium and Remy's tetramolopium. It is endemic to Hawaii, where today it is known only from the island of Lanai. It is believed to be extirpated on the island of Maui, having...
(A.Gray) Hillebr. – Awalua Ridge Tetramolopium - Tetramolopium rockiiTetramolopium rockiiTetramolopium rockii is a rare species of flowering plant in the aster family known by the common name dune tetramolopium. It is endemic to Hawaii, where it is known only from the island of Molokai. It is threatened by habitat destruction and degradation caused by deer, cattle, introduced species...
Sherff – Dune Tetramolopium - Tetramolopium sylvae Lowrey – Seacliff Tetramolopium
- Tetramolopium tenerrimum (Less.) Nees – Oahu Tetramolopium
External links
- Plants of Hawaii has photos of several species