Australian Native Plants

  Grevillea robusta (Silky Oak)


Grevillea robusta photo
Grevillea robusta tree

Photograph by Mario M. Some rights reserved.    (view image details)

Grevillea robusta photo
Silky Oak

Photograph copyright: oznativeplants - all rights reserved.




SILKY OAK FACTS

distribution map showing range of Grevillea robusta in Australia

Map is from The Atlas of Living Australia web site, licensed under Creative Commons Attribution 3.0 Australia License


Common Name
Silky Oak

Other Names
Southern Silky Oak, Australian Silver-oak

Description
The Silky Oak is a fast-growing large upright tree. It is the largest species of Grevillea. Produces 8cm - 15cm long bottlebrush shaped racemes of golden-orange flowers in spring and summer. The leaves are dissected bipinnatifid, and look a bit like fern fronds. Leaves are 15-30 cm long with greyish white or rusty underside Trunk diameter can reach 1m. Fruits are dark brown leathery follicles, about 2cm long.

Height
8m - 20m

Spread
5m - 14m

Habitat
subtropical and dry rainforest environments with over 1000 mm annual rainfall

Wildlife Interest
attracts honeyeaters. Also attracts possums

Distribution
New South Wales, Queensland,



Classification
Class:Magnoliopsida
Order:Proteales
Family:Proteaceae
Genus:Grevillea
Species:robusta
Common Name:Silky Oak


Relatives in same Genus
  Grevillea agrifolia
  Grevillea alpina
  Grevillea angulata
  Grevillea arenaria
  Grevillea armigera
  Grevillea asparagoides
  Grevillea asplenifolia
  Grevillea astericosa
  Grevillea baileyana
  Grevillea banksii prostrate
  Grevillea baueri
  Grevillea bipinnatifida
  Grevillea bronwenae
  Grevillea candelabroides
  Grevillea coccinea
  Grevillea concinna
  Grevillea corrugata
  Grevillea crithmifolia
  Grevillea decurrens
  Grevillea didymobotrya
  Grevillea dielsiana
  see A-Z list for more ...