It is an erect, or low spreading shrub with more or less linear to narrowly elliptic leaves, and large clusters of pale pink to dark mauve-pink flowers with a style that is hooked near its tip.

Grevillea patulifolia is an erect or low, spreading shrub that typically grows to a height of 0.2–2 m (7.9 in – 6 ft 6.7 in) and that sometimes forms root suckers.

The flowers are pale pink to dark mauve-pink, the style sharply curved near the tip and the pistil 8.0–8.5 mm (0.31–0.33 in) long.

Flowering occurs from July to February and the fruit is a narrowly elliptic follicle about 11 mm (0.43 in) long.

[3][4][5] This grevillea is listed as "critically endangered" under the Victorian Government Flora and Fauna Guarantee Act 1988 and as "Rare in Victoria" on the Department of Sustainability and Environment's Advisory List of Rare Or Threatened Plants In Victoria.