It is a stiff, prickly shrub with sharply-pointed, lance-shaped leaves and white, tube-shaped flowers.

Brachyloma depressum is a stiff, prickly shrub that typically grows to a height of up to about 1 m (3 ft 3 in) and has many branches covered with downy hairs.

The flowers are arranged singly in leaf axils on a short peduncle with lance-shaped bracteoles 2.0–3.5 mm (0.079–0.138 in) long at the base.

[2][4][3] This species was first formally described 1858 by Ferdinand von Mueller, who gave it the name Lissanthe depressa in his Fragmenta Phytographiae Australiae.

[8] Brachyloma depressum grows in shrubby woodland on sandy or rocky slopes and between granite boulders in scattered locations in Grampians National Park in Victoria, and on the east coast of Tasmania, especially on the Freycinet Peninsula.