Acacia ferrunginea
Rusty Acacia 
There isn’t a more perfectly versatile plant than Rusty Acacia. Resilient and vigorous, with a crown of dense foliage growing from a gnarled and crooked trunk make this the perfect specimen for almost any hobby growing or as standards. Roots are shallow and the bark heavily fissured giving this plant the perfect look for bonsai projects. Green foliage is accented by sweet scented, yellow flowers. The plant is traditionally raised as a an ornamental or a shade tree.
 
The tree will stay relatively small in stature as far as trees go, making this a good opportunity for a beautiful bonsai work of art. New reddish = green branches will have thorns. Tree is deciduous.  Hardy in zones 9-11and thrives in full sun. Drought Tolerant