mulga

noun

• (also mulga tree or bush) a small Australian acacia tree or shrub with greyish foliage, which forms dense scrubby growth and yields brown and yellow timber.

  • Genus Acacia, family Leguminosae; several species, especially Acacia aneura
• [mass noun] an area of scrub or bush dominated by mulgas.
• (the mulga) Australian informal the outback.