Propagation
Sow fresh seed during early spring or when available in pots and place in a cold frame to germinate. Pre-soak seeds in heated water 13º to 18ºC (55º-64ºF) for 24 hours. Seeds may require scarification.

Culture
General pruning information
Tolerates a light prune after flowering back to a node, remove any dead wood back to the collar. If there is insufficient light towards the base of the tree prune the crown to allow the light in. The plants tend to be easily damaged by wind or borers, and damaged material should be removed.

Botanic information
Leaf: The pubescent leaves are composed of 12 to 18 pairs of pinnae arranged oppositely along the rachis and have up to 12 pairs of ovate leaflets. 

Flower: The bisexual flowers are arranged in a ball-like cluster with a short peduncle. There are up to 30 clusters arranged along the hairy branches in an axillary raceme.

Fruit: The linear pod is constricted between the seeds and is up to 6mm (¼in) wide with nerve-like margins. The hard black oval seeds are up to 6mm (¼in) long with a hard pericarp.