''Atriplex fissivalvis'', commonly known as gibber saltbush, is a plant species in the family

Amaranthaceae Amaranthaceae is a family of flowering plants commonly known as the amaranth family, in reference to its type genus ''Amaranthus''. It includes the former goosefoot family Chenopodiaceae and contains about 165 genera and 2,040 species, making it ...

, subfamily,

Chenopodioideae The Chenopodioideae are a subfamily of the flowering plant family Amaranthaceae in the APG III system, which is largely based on molecular phylogeny, but were included - together with other subfamilies - in family Chenopodiaceae in the Cronquist ...

. It occurs in the

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

n states of

South Australia South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest of Australia's states and territories ...

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...

and the

Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an states and territories of Australia, Australian territory in the central and central northern regions of Australia. The Northern Territory ...

.AVH Occurrence data: ''Atriplex fissivalvis''
/ref>

Description

''Atriplex fissivalvis'' is an annual monoecious herb high, which branches from the base. The leaves (on a stalk of ) are about long, with toothed or sinuate margins and an acute apex. It flowers in clusters in the axils of leaves, from June to November (in the Northern Territory). Fruiting is from June to November (in the Territory), and the fruit is without a stem and enclosed in bracteoles.

Distribution

In the

it is found in the

IBRA The Interim Biogeographic Regionalisation for Australia (IBRA) is a biogeographic regionalisation of Australia developed by the Australian government's Department of Sustainability, Environment, Water, Population, and Communities. It was devel ...

regions of

Finke Finke or Fincke is the name of: Places ;Australia *Finke, Northern Territory, a community in central Australia now known as Aputula *Finke bioregion, An IBRA region in the Northern Territory *Finke River, a river in central Australia *Finke Gorge ...

MacDonnell Ranges The MacDonnell Ranges, or Tjoritja in Arrernte, is a mountain range located in southern Northern Territory. MacDonnell Ranges is also the name given to an interim Australian bioregion broadly encompassing the mountain range, with an area of .< ...

, Simpson Strzelecki Dunefields, and

Stony Plains Stony Plains, an interim Australian bioregion, comprises , and is part of two state/territories of Australia: the Northern Territory and South Australia.

Taxonomy & naming

''Atriplex fissivalvis'' was first described by

Mueller Mueller may refer to: People * Mueller (surname), a surname German in origin Places Antarctica * Mount Mueller (Antarctica) Australia * Mueller College, in Queensland * Mount Mueller (Victoria) *Mueller Park, in Western Australia * Mueller Rive ...

in 1875. The specific epithet, ''fissivalvis'', comes from the Latin, ''fissus'' (cleft) and ''-valvis'' (-valved), giving "split-valved".

Similar taxa

"''Atriplex fissivalvis'' could be confused with '' A. lobativalvis'', however the latter has fruiting bracteoles that lack appendages on the dorsal surface, are prominently keeled or have a raised area on the lower dorsal surface, have margins that are fused for over one-third their length, and has a preference for freshwater swamps and claypans."

Conservation status

The

lists this species as "Near Threatened" under the TPWCA act.

References

External links

AVH Occurrence data: ''Atriplex fissivalvis''
fissivalvis Flora of New South Wales Flora of South Australia Flora of Queensland Flora of the Northern Territory Caryophyllales of Australia Taxa named by Ferdinand von Mueller {{Australia-eudicot-stub