Rostellularia adscendens
Encyclopedia
Rostellularia adscendens is an 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...

n plant species in the family Acanthaceae
Acanthaceae
The family Acanthaceae is a taxon of dicotyledonous flowering plants containing almost 250 genera and about 2500 species....

. It grows to between 10 and 50 cm high.

It occurs along streams or in rocky areas in woodland in Western Australia
Western Australia
Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

, the Northern Territory
Northern Territory
The Northern Territory is a federal territory of Australia, occupying much of the centre of the mainland continent, as well as the central northern regions...

, South Australia
South Australia
South Australia is a state of Australia in the southern central part of the country. It covers some of the most arid parts of the continent; with a total land area of , it is the fourth largest of Australia's six states and two territories.South Australia shares borders with all of the mainland...

, New South Wales
New South Wales
New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...

 and Queensland
Queensland
Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...

.
The taxon was first formally described by botanist Robert Brown
Robert Brown (botanist)
Robert Brown was a Scottish botanist and palaeobotanist who made important contributions to botany largely through his pioneering use of the microscope...

 in 1810 in Prodomus Florae Novae Hollandiae. He gave it the name Justicia adscendens. The species was transferred to the genus Rostellularia in 1986.

Subspecies and varieties include
  • R. adscendens (R.Br.) R.M.Barker var. adscendens
  • R. adscendens var. clementii (Domin) R.M.Barker
  • R. adscendens subsp. dallachyi R.M.Barker
  • R. adscendens subsp. glaucoviolacea (Domin) R.M.Barker
  • R. adscendens var. hispida (Domin) R.M.Barker
  • R. adscendens var. juncea (R.Br.) R.M.Barker
  • R. adscendens var. largiflorens R.M.Barker
  • R. adscendens var. latifolia (Domin) R.M.Barker
  • R. adscendens var. pogonanthera (F.Muell.) R.M.Barker
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