The shrub typically grows to a height of 0.5 to 3 metres (1.6 to 9.8 ft) and has an open bushy habit.

[3] It blooms between July and September[4] producing inflorescences with one to seven heads per raceme with simple ones scattered throughout.

Following flowering coriaceous, dark brown to blackish seed pods form that have a linear shape but can be curved to various degrees.

The glabrous or shortly villous pods have a length of up to 8 cm (3.1 in) and a width of 4 to 7 mm (0.16 to 0.28 in).

The shiny black seeds inside are arranged longitudinally and have an oblong-elliptic shape with a length of 4 to 5 mm (0.16 to 0.20 in) with a clavate aril.