An upright or arching shrub (usually growing 3-5m tall) with many branching stems. Younger branches are reddish-brown with fine hairs; older branches become hairless and turn grey or dark brown. It is a significant environmental weed that forms thickets under tall trees, and dense infestations will shade the indigenous ground flora and impede the regeneration of overstorey plants.
This waterbuck is a large antelope found widely in sub-Saharan Africa. It is a ruminant, feeding almost exclusively on grass and forbs. Crawshay's waterbuck is susceptible to ulcers, lungworm infection and kidney stones. Other diseases from which this animal suffers are foot-and-mouth disease, sindbis fever, yellow fever, bluetongue, bovine virus diarrhoea, brucellosis and anthrax.
The crazy ant is among the 100 most pervasive and destructive invasive species in the world. It is called 'crazy' because of its erratic movements when disturbed. It is a relatively large, yellow to orange ant with long legs, large eyes and extremely long antennal scapes.
Evergreen tree up to 10m high with hairy, slightly angular branchlets. Light green, thick leaves that are hairy below. White flowers in groups of 1-3 from October to December. Does not bear fruit. Invades : Roadsides, waste areas
A shrub or small tree growing up to 4m high with rounded, densely leafy crown and arching branches. Green leaves with yellow margins and leaflets in 4-5 pairs. Bright yellow flowers are prevalent throughout the year. It has brown pods that are straight to slightly curved.