This small evergreen tree is drought resistant and grows in the sun. It is not suitable for coastal gardens. The green flowers open in Summer and they attract numerous insects, which in turn entice the insect eating birds. This structural tree has thick stems and drooping grey leaves and it attracts birds, butterflies and the Emperor Moth. The leaves are browsed by game like kudu as well a cattle and goats. The baboons and birds eat the seeds. The thick, aggressive, tuberous roots are peeled and eaten raw as an emergency food or as a source of water. It has medicinal properties as a decoction of the leaf is used to treat mental disease. Is ideal for a small garden provided that it is not planted closer than 5 meters from a wall as it has aggressive roots. Named for Pierre Cusson 1727-1783 who was a French Jesuit, mathematician, physician, professor and botanist who travelled extensively and wrote many publications. Paniculata refers to the flowers that are arranged in a loose cluster. Plant as an accent plant in a large garden, or in a rockery amongst Aloes and succulents a the grey foliage is a lovely contrast.