Acacia hadrophylla is a domed to inverted conical, dense to moderately open shrub that typically grows to a height of , and has branchlets covered with tiny black hairs. Its phyllodes are oblong to elliptic, long, wide and rigid with a small point on the end and five to seven prominent, yellowish veins. The flowers are borne in two spherical heads in axils, each head in diameter with 14 to 25 golden yellow flowers. Flowering occurs from June to September and the pods are linear, crusty, more or less curved, long and wide. The seeds are oblong to elliptic, long and brownish black with an
aril on the end. ==Taxonomy==