 The species was first formally described by the botanist Alexander Segger George in 1999 as part of the work "Seven new species in Acacia section Lycopodiifolia (Mimosaceae)" as published in the "Journal of the Royal Society of Western Australia".It was reclassified as "Racosperma anasillum" by Leslie Pedley in 2003 and transferred back to the genus "Acacia" in 2006.The type specimen was collected from Mabel Downs Station near Winnimarra Spring in 1989 by K.A.Menkhorst.