Posidonia ostenfeldii
Encyclopedia
Posidonia ostenfeldii is a species of seagrass
that occurs in the southern waters of Australia
.
. A perennial rhizomatous herb that appears as clumps on sand in marine habitat. It is found at depths between 1 and 15 metres. The leaf blades are 6-12 mm wide.
, the Archipelago of the Recherche
, at the southern coast of Southwest Australia
.
, is found in the mediterranean sea. Several related species within Posidonia are described as the Posidonia ostenfeldii complex.
Seagrass
Seagrasses are flowering plants from one of four plant families , all in the order Alismatales , which grow in marine, fully saline environments.-Ecology:...
that occurs in the southern waters of 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...
.
Description
A species of PosidoniaPosidonia
Posidonia is a genus of flowering plants. It contains two to nine species of marine plants , found in the seas of the Mediterranean and around the south coast of Australia....
. A perennial rhizomatous herb that appears as clumps on sand in marine habitat. It is found at depths between 1 and 15 metres. The leaf blades are 6-12 mm wide.
Distribution
This species is found in waters around the southern coast of Australia. Posidonia ostenfeldii is recorded at the edge of the Esperance PlainsEsperance Plains
Esperance Plains, also known as Eyre Botanical District, is a biogeographic region in southern Western Australia. Located on the south coast between the Avon Wheatbelt and Hampton regions, and bordered to the north by the Mallee region, it is a plain punctuated by granite and quartz outcrops and...
, the Archipelago of the Recherche
Archipelago of the Recherche
Archipelago of the Recherche is a group of 105 islands, and over 1200 "obstacles to shipping", off the southern coast of Western Australia. The islands, also known as the Recherche Archipelago, stretch from East to West and to off-shore....
, at the southern coast of Southwest Australia
Southwest Australia
Southwest Australia is a biodiversity hotspot that includes the Mediterranean forests, woodlands, and scrub ecoregions of Western Australia. The region has a wet-winter, dry-summer Mediterranean climate, one of five such regions in the world...
.
Taxonomy
This species is contained by the Posidoniaceae family, one of eight occurring in southern Australia. The ninth member, Posidonia oceanicaPosidonia oceanica
Posidonia oceanica is a seagrass species that is endemic to the Mediterranean Sea. It forms large underwater meadows that are an important part of the ecosystem. The fruit is free floating and known in Italy as 'the olive of the sea'...
, is found in the mediterranean sea. Several related species within Posidonia are described as the Posidonia ostenfeldii complex.
External links
- Posidoniaceae in L. Watson and M. J. Dallwitz (1992 onwards) The families of flowering plants.
- National Center for Biotechnology Information