Acacia difformis

Acacia difformis is a shrub or small tree in the Fabaceae family that is native to New South Wales and Victoria and grows to a height of . Common names include Drooping wattle, Wyalong wattle or Mystery wattle. "Acacia difformis" grows in sandy soils, open forests, and usually occurs in mallee communities. the name "difformis" comes from post-classical latin which means irregularly or unevenly or differently formed.
It was first described in 1897 by Richard Baker.