Grevillea aspera R.Br.

Species Naming and Growth Form

Grevillea aspera, commonly known as rough grevillea, is a shrub that ranges from low and spreading to upright in form, and usually grows between 0.6 and 2.5 metres (2 ft 0 in – 8 ft 2 in) in height.

Branchlet Characteristics

Its branchlets are covered in woolly hairs.

Leaf Morphology

Its leaves are oblong to egg-shaped, with the narrower end positioned at the base, measure 15–80 mm (0.59–3.15 in) long and 3–12 mm (0.12–0.47 in) wide, and have a hairy texture on the lower surface.

Inflorescence Structure

Flowers form in large clusters, growing in leaf axils and at the ends of branchlets, attached to a rachis 15–50 mm (0.59–1.97 in) long. Each individual flower grows on a pedicel that is 2.5–5 mm (0.098–0.197 in) long.

Perianth Coloration

The lower half of the flower's perianth is pinkish to red, and the upper half is cream-coloured, green, yellow or white.

Pistil Dimensions

The pistil of the flower is 7.5–10.5 mm (0.30–0.41 in) long.

Flowering Period and Fruit Characteristics

Flowering occurs between May and November, and the fruit produced is a narrow oval follicle that is 13–17 mm (0.51–0.67 in) long.

Habitat Types

This species grows in heath, scrub and woodland habitats.

South Australian Distribution

In South Australia, it is found in the Gawler Range, parts of the Flinders Range and the Eyre Peninsula.

Western Australian Distribution

In Western Australia, it is only known to occur in the Rawlinson Range in the far east of the state.