It is a slender, erect or spreading shrub with linear to lance-shaped leaves and white, tube-shaped flowers with bearded petal lobes.

Andersonia aristata is a slender, erect or spreading shrub that typically grows to a height of 8–50 cm (3.1–19.7 in).

The flowers are arranged in clusters of mostly 2 to 10 with bracts up to 2 mm (0.079 in) wide and shorter bracteoles.

[6] Rice flower grows on rocky outcrops, rocky hills and in winter-wet areas from near Perth to Bunbury, near Busselton and Cape Leeuwin in the Avon Wheatbelt, Jarrah Forest and Swan Coastal Plain of south-western Western Australia.

[2][3] Andersonia aristata is listed as not threatened flora by the Government of Western Australia.