''Acacia chisholmii'', commonly known as turpentine bush and Chisholm's wattle, is a shrub belonging to the genus ''

Acacia ''Acacia'', commonly known as the wattles or acacias, is a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa and Australasia. The genus na ...

'' and the subgenus ''Juliflorae''. It is native to arid areas of north eastern

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 ...

Description

The resinous multi-stemmed shrub has a spreading habit that typically grows to a height of and has minni ritchi style bark. It has angular, purplish brown or red-brown coloured branchlets that are minutely crenulated with slightly appressed-villous ridges. It flowers between May and August producing golden flower spikes with a length of . After flowering it produces linear, flat seed pods that are constricted between the seeds. The pods have a length of and have pale margins. The dark brown to black seeds within the pods have a narrowly oblong to elliptic shape and have a length of .

Taxonomy

The species was first formally described by the botanist Frederick Manson Bailey in 1899 as part of the work ''Contributions to the Queensland Flora'' as published in the ''Queensland Agricultural Journal''. It was reclassified as ''Racosperma chisholmii'' by Leslie Pedley in 1987 and then transferred back into the genus ''Acacia'' in 2001. The only other synonym is ''Acacia costinervis''. It is quite closely related to '' Acacia lysiphloia'' and ''

Acacia trachycarpa ''Acacia trachycarpa'', commonly known as minni ritchi, curly-bark tree, sweet-scented minni ritchi or Pilbara minni ritchi, is a shrub or tree belonging to the genus ''Acacia'' and the subgenus ''Juliflorae'' that is native to arid and semi-ar ...

'', ''

Acacia effusa ''Acacia effusa'' is a shrub belonging to the genus ''Acacia'' and the subgenus ''Juliflorae'' that is endemic to north western Australia. Description The shrub is dense and spreading typically grows to a height of . It has grey to grey-red col ...

'' and ''

Acacia gracillima ''Acacia gracillima'' is a shrub or tree belonging to the genus ''Acacia'' and the subgenus ''Juliflorae'' that is native to north western Australia. Description The shrub or tree typically grows to a maximum height of and has dark red coloured ...

''. It is also able to hybridize with ''

Acacia monticola ''Acacia monticola'', commonly known as red wattle, gawar, curly-bark wattle, curly-bark tree and hill turpentine, is a species of plant in the legume family that is native to northern Australia. Indigenous Australians have other names for the ...

''.

Distribution

''A. chisholmii'' is found in western parts of Queensland and is quite common in the Mount Isa to Cloncurry area. The plant is found on stony usually lateritic plains with shallow, sandy soils or in undulating country and on escarpments and s usually part of grassland or '' Eucalypt'' and spinifex woodland communities. Smaller populations are found in far eastern parts of the Northern Territory around

Lake Nash Alpurrurulam, from the original Aboriginal name ''Ilperrelhelame'', also known as Lake Nash, is a locality in the Northern Territory of Australia located in the territory's east about south-east of the territory capital of Darwin and about ea ...

References

{{Taxonbar, from=Q9563304 chisholmii Flora of Queensland Flora of the Northern Territory Plants described in 1899

Description

Taxonomy

Distribution

See also

References