It grows in sand dunes and other immediate coastal habitat.

Each palmate leaf is made up of 5 to 9 leaflets up to 2.5 centimetres (0.98 in) long.

The inflorescence bears whorls of flowers each about one to 1.5 centimetres (0.59 in) long.

Each flower is light purple to blue with a yellow spot on its banner.

The fruit is a hairy legume pod 2.5–3.5 centimetres (0.98–1.38 in) long.