Swaziland's Alien Plants Database

Grevillea robusta A. Cunn.
PROTEACEAE
Australian silky oak
Invasive, Potential problem species
Origin: Eastern Australia
Growth Form: Tree
Plant Description: Plant: Large, evergreen tree 18–30 m high with a straight trunk and moderately spreading crown. Leaves: Dark green above, greyish-white or rusty-silky beneath, two-pinnatifid, deeply incised, fern-like, 150–300 mm long, leaflet margins recurved. Flowers: Golden-orange, stalked, 20–30 mm long, in terminal, bottlebrush-like sprays 80–150 mm long, September–November. Fruit: Brownish-black, leathery follicles about 20 mm long, containing one or two flat, winged seeds.
Key Features:
Control:
Comments: Suspected/Possible
More information:
Weeds & Invasive Plants Home Page

Photo - flowers/leaves



Green, C. © Australian National Botanic Gardens

Photo - tree



Fagg, M. © Australian National Botanic Gardens

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