 "Astroloma humifusum" grows as a spreading mat-like shrub up to 50 cm (20 in) high and 0.5 to 1.5 m (20 in to 5 ft) across.Its hairy stems bear blue-green pine-like acute leaves 0.5-1.2 cm (0.2-0.5 in) long.The tubular flowers are up to 2 cm (0.8 in) long and appear from February to June, and are all red, unlike the red and green flowers of "A. pinifolium".