It is a low, spreading shrub with its branches and leaves densely covered with a layer of white, woolly hairs.

Quoya dilatata is a spreading shrub, growing to a height of 30–60 cm (10–20 in) and which has its branches and leaves densely covered with a layer of white, woolly hairs.

Flowering occurs in September, October or November and is followed by fruit which is almost spherical, 2–3 mm (0.08–0.1 in) in diameter and densely hairy with the sepals remaining attached.

The description was published in Fragmenta phytographiae Australiae from a specimen collected by James Drummond near the Murchison River.

[8] Quoya dilatata mainly occurs between Perth and Carnamah but has also been found near Northam and Cowcowing, in the Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest and Swan Coastal Plain biogeographic regions.