An evergreen tree growing 5-10m high, black wattle has dark olive-green finely hairy leaves. Pale yellow or cream spherical flowers in large fragrant sprays blooming from August to September. Fruits are dark brown, finely haired pods.
Black wattle has invaded grasslands, competing with and reducing indigenous species, and reducing grazing land for wild and domestic animals.
A tall, dense, massively branched, evergreen tree 25-58m high with smooth bark that is grey-blue in colour with orange-yellow blotches. Dark green leaves which are glossy above and distinctly paler beneath. Cream flowers appear from May to December. The fruit capsules are globular and brown. This tree invades forest clearings, fynbos, roadsides and water courses.
Madeira vine is a long-lived (perennial), twining or climbing plant growing over taller plants. The stems are hairless (glabrous) and grow in a twining fashion. Younger stems are green or reddish in colour and round in cross-section. They become rope-like in appearance and turn greyish-brown in colour as they mature. Distinctive greyish-brown or greenish-coloured warty tubers often form at the joints (nodes) along the older stems. These wart-like tubers are very characteristic.
A spirally leafed, aquatic plant capable of forming dense infestations in waterways with pale green, finely divided, feather-like leaves arranged in whorls. Tiny, solitary, inconspicuous cream flowers forming in the axils of the leaves from May-September. It invades still or slow-moving water on the banks of rivers, lakes and ponds.
A large, oval shaped evergreen tree up to 20m high, origination from Australia. Pale yellow or cream globe-shaped flowers flower heads in large sprays appear in October to December and produce 4-17cm long seed pods. Leaves are dark green and glossy. Peppertree wattle invades fynbos, forest clearings and urban open spaces.