''Acacia minyura'' is a tree or 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''

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to arid parts of central

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 spreading multi-stemmed tree or shrub typically grows to a height of and has a similar width. The branchlets have large resinous ribs with a blue-grey coloured resin coating new growth. The flat, green and straight to slightly curved

phyllode Phyllodes are modified petioles or leaf stems, which are leaf-like in appearance and function. In some plants, these become flattened and widened, while the leaf itself becomes reduced or vanishes altogether. Thus the phyllode comes to serve the ...

s have a length of and a width of and have prominent nerves. It flowers from May to August producing yellow flowers. The simple

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

s occur singly and are found in the axils. The flower-spike is in length. The flat, oblong, brown

seed pod This page provides a glossary of plant morphology. Botanists and other biologists who study plant morphology use a number of different terms to classify and identify plant organs and parts that can be observed using no more than a handheld magnify ...

s that form after flowering have a length of up to and a width of and have long wings. The oblong seeds within the pod are long and half as wide with a small creamy aril.

Taxonomy

The species was first formally described by the botanist

Barbara Rae Randell Barbara Rae Randell (born:Barbara Rae Redgen 1942) is an Australian botanist. The author's international identifier on the International Plant Names Index is 25305–1. Randell described plants in the genera ''Senna'' and ''Acacia ''Acacia ...

in 1992 as part of the work ''Mulga. A revision of the major species'' as published in the ''Journal of the Adelaide Botanic Gardens''. It was reclassified as ''Racosperma minyura'' by

Leslie Pedley Leslie Pedley (19 May 1930 – 27 November 2018)IPNILeslie Pedley/ref> was an Australian botanist who specialised in the genus ''Acacia''. He is notable for bringing into use the generic name ''Racosperma'', creating a split in the genus, which r ...

in 2003 and transferred back to the genus ''Acacia'' in 2014. The species is often confused with ''

Acacia aneura ''Acacia aneura'', commonly known as mulga or true mulga, is a shrub or small tree native to arid outback areas of Australia. It is the dominant tree in the habitat to which it gives its name ( mulga) that occurs across much of inland Australia. ...

''.

Distribution

It is native to arid regions of Australia where it has a scattered distribution from

Newman Newman is a surname of English origin and may refer to many people: The surname Newman is widespread in the core Anglosphere. A *Abram Newman (1736–1799), British grocer *Adrian Newman (disambiguation), multiple people *Al Newman (born 1960) ...

into southern parts of 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 ...

and northern parts 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 ...

. It is found on

granite Granite () is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies undergro ...

rises, rocky hills as well as flats and plains where it grows in red sand, loam or lateritic soils. The range extends with isolated populations occurring in south-western

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_ ...

References

{{Taxonbar, from=Q15287815 minyura Acacias of Western Australia Plants described in 1992 Taxa named by Barbara Rae Randell

Description

Taxonomy

Distribution

See also

References