A. crassicarpa is one of the fastest growing tropical Acacia species.

Like many Acacia species, it has phyllodes rather than true leaves; these can be up to 25 centimetres long.

Acacia species have possible uses in folk medicine.

This is unusual for Acacia species, which normally flower in one brief but impressive display.

A number of Acacia species have become serious environmental pests after being introduced into southern Africa.

Higher concentrations can be found in many Acacia species.

The larvae probably feed on young shoots of Acacia species.

Like most Acacia species, it has phyllodes rather than true leaves.

A number of Acacia species are found here, as well as grasses and other shrubby vegetation.

Adults of both sexes are often attracted to the flowers of Acacia species.