[6] The soft leaves (dark green on the upper surface, lighter underneath) are alternate, and narrowly oblong or wedge-shaped.

[6] The pods are thin walled, and widely spaced along the stems, and when ripe are purple to black, containing about 18-20 small brown seeds.

[6] In Australia, where it is considered a native, it grows in the Kimberley on sand, clay, sandstone, and rocky basaltic soils, and is found along creeks and rivers, and on the floodplains.

[8] The primary source of toxicity for many species of Crotalaria is the presence of pyrrolizidine alkaloids, which are poisonous to birds and large mammals.

[10] In Australia, in the field, only horses are known to die from eating this plant, with most cases occurring during the wet season.