Scientific nameGrevillea robusta
SynonymsKabwene, Grevillea, Silky oak, Mukima
Native distributionAustralia, widely planted in Africa
BiologyIt is a fast-growing evergreen tree with a single main trunk. It grows up to max. 40m tall. The crown is conical, dense, with branches projecting upwards. Bole straight, branchless for up to 15m. The diameter is up to 120cm in diameter. It has dark grey bark, dark green lobed foliage and stunning golden-orange flowers.
EcologyFast growing tree species.
HabitatIt needs dry, moist moderate drainage
WoodHas a fairly coarse texture and straight grain. Heartwood is pale pink-brown, turning to yellow-brown or red-brown on exposure. It is moderately clearly different from the cream-coloured to pale pink sapwood. It has a good durability in regards to decay resistance, and it is also moderately resistant to most insect attacks as well as termites. There may be some difficulty in manufacturing, but overall a fairly easy wood to work with. Glues and finishes well.
NTFPsAttractive for bees, butterflies and birds because of the nectar.
ServicesUsed as street tree, for erosion control, and is pollution-tolerant.
Other informationThe tree species is native to Australia and introduced to Africa and has a high potential.