A thorny shrub or small tree widely distributed in the seasonally dry tropics of Africa, Dichrostachys cinerea naturally occurs in the central and northern parts of the country. This semi-deciduous to deciduous tree reaches a mature height of up to 7 meters with an open crown.

The yellow to grey-brown bark is rough and frequently fissured. The branches have strong, alternate lateral shoots that form spines. The Acacia-like leaves are twice compound with variable sizes. Flowering occurs from September to February, and the tree produces flowers that are lilac on the upper half and yellow on the lower. These fragrant flowers have a distinct appearance, resembling small lanterns on the tree. After flowering, green coiled pods develop from each flower, maturing to dark brown before falling to the ground, where they are browsed by various animals. The pods contain small, glossy seeds which are dispersed by wind and water.

In its early stages of growth, the Sickle bush can develop into very dense and impenetrable thickets in the veld. Due to its thorny nature, it can serve as a highly effective barrier but requires maintenance to prevent it from becoming a nuisance. It is a fast-growing plant, necessitating regular trimming to maintain its neat appearance. The tree is hardy and can tolerate dry conditions. While it needs protection from frost when young, it becomes tolerant of moderate frost as it matures.

Dichrostachys cinerea is not ideal for small gardens due to its aggressive root system and prolific root suckers. However, it can be effectively used as a living fence, thriving even in poor and saline soils. Additionally, it possesses soil-binding and conservation properties, making it beneficial for erosion control. Dichrostachys cinerea also makes stunning bonsai specimens.