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Acacia auripila facts for kids

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Rudall River myall
Conservation status

Priority Two — Poorly Known Taxa (DEC)
Scientific classification
Genus:
Acacia
Species:
auripila

Acacia auripila, commonly known as the Rudall River myall, is a tree of the genus Acacia and the subgenus Plurinerves that is native to a small area in central Western Australia.

Description

The tree typically grows to a height of 3 metres (10 ft) and has a dense crown with silvery green foliage. It has fissured grey coloured bark and slightly ribbed and glabrescent branchlets. Like most species of Acacia it has phyllodes rather than true leaves. The pungent, glabrescent, leathery and erect phyllodes are straight to slightly curved with a length of 8 to 12 cm (3.1 to 4.7 in) and a diameter of 1 to 1.5 mm (0.039 to 0.059 in) and are striated by many fine parallel nerves. It produces yellow flowers in August.

Taxonomy

The species was first formally described by the botanists Richard Sumner Cowan and Bruce Maslin in 1999 as part of the work Acacia miscellany. Miscellaneous new taxa and lectotypifications in Western Australian Acacia, mostly section Plurinerves (Leguminosae: Mimosoideae) as published in the journal Nuytsia. It was reclassified as Racosperma auripilum in 2003 by Leslie Pedley then transferred back to genus Acacia in 2006.

Distribution

It is native to an area in the eastern Pilbara region of Western Australia where it found on hillsides and gullies. Its distribution is limited to the Rudall River National Park as a part of spinifex communities growing in quartz gravel soils.

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