Erect shrub to 2 m. Leaves 1-foliolate, needle-like, ± glabrous, sometimes turning reddish brown, aromatic when dried. Flowers 1(-10) in racemes on branch tips, pale to bright yellow or partly purple or violet, wings glabrous, keel hairy, rarely with a tooth-like point, calyx glabrous or shortly hairy, lobes triangular.
A shrub. It grows 2 m high. It can be upright or weeping. The branches have a red tinge. The leaves are needle-shaped and bright green. They turn reddish-brown when processed. The flowers are small and yellow and pea shaped. The fruit are single seeded pods.