Grevillea robusta A.Cunn. ex R.Br.

Silky Oak

Suppl. Prodr. Fl. Nov. Holl. 24 (1830) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Sparingly established

Tall tree 8–40 m high. Leaves deeply dissected, with 11–24(–31) primary lobes, these entire to 5-partite, sometimes with tertiary division, 10–34 cm long, 90–150 mm wide; ultimate lobes oblong to elliptic or subtriangular, 5–50 mm long, 2–10 mm wide; lower surface subsericeous to villous; margin shortly recurved. Conflorescences terminal, erect, simple to 4-branched, secund, 12–16 cm long; perianth golden yellow to orange (rarely reddish), outer surface glabrous, inner surface glabrous; pistil 21–29 mm long, ovary stipitate, glabrous, style golden-yellow to orange (rarely reddish), glabrous, pollen-presenter erect, shortly conical. Fruits laterally compressed, ellipsoid to ovoid, glabrous. Flowers Sept.–Dec.

*CVU, *GipP, *HSF, *MuF, *NIS, *OtP, *VRiv, *VVP. Native to southern Qld and northern NSW. Widely cultivated in Victoria. Sparingly established in Victoria, with collections from Melton South, Werribee, and near Wodonga. Apparently widely established in the Albury/Wodonga area, but populations small. In Victoria it has been collected from degraded riparian and roadside areas.

Created by: Val Stajsic, 2016-10-17
Updated by: Val Stajsic, 2016-10-20
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Proteanae
order Proteales
family Proteaceae
genus Grevillea
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Grevillea robusta in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Grevillea robusta in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present introduced
Victorian Riverina present introduced
Murray Fans present introduced
Gippsland Plain present introduced
Otway Plain present introduced
Central Victorian Uplands present introduced
Northern Inland Slopes present introduced
Highlands-Southern Fall present introduced

State distribution

Distribution map
Western Australia
South Australia
New South Wales
Australian Capital Territory