Acacia Macraneura
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''Acacia macraneura'', commonly known as big mac 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'' that is native to arid parts of western
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 multi-stemmed shrub typically grows to a height of with a spreading habit but it is occasionally found as an obconic tree with a height of that has crooked stems and branches. The slightly hairy branchlets often have obscure resinous ribbing near the extremities. Like most species of ''Acacia'' it has
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 rather than true leaves. The green to grey-green phyllodes have a blueish coloured tinge and are incurved or sigmoid to sinuous. The usually terete phyllodes have a length of and a diameter of with many obscure longitudinal nerves.


Distribution

It is endemic to the
Mid West The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of the United States. I ...
and Pilbara regions of Western Australia. It has a scattered distribution from around
Mount Magnet Mount is often used as part of the name of specific mountains, e.g. Mount Everest. Mount or Mounts may also refer to: Places * Mount, Cornwall, a village in Warleggan parish, England * Mount, Perranzabuloe, a hamlet in Perranzabuloe parish ...
in the south west to around Leonora in the south east to the Pilbara region and around the Rudall River catchment and the
Little Sandy Desert The Little Sandy Desert (LSD) is a desert region in the state of Western Australia, lying to the east of the Pilbara and north of the Gascoyne regions. It is part of the Western Desert cultural region, and was declared an interim Australian ...
with smaller populations close to the border with South Australia.


See also

* List of ''Acacia'' species


References

{{Taxonbar, from=Q24190222 macraneura Acacias of Western Australia Plants described in 2012 Taxa named by Bruce Maslin