Senna artemisioides subsp. helmsii

Senna artemisioides, commonly known as silver cassia, is a species of flowering plant in the family Fabaceae and is endemic to Australia, where it is found in all mainland states and territories. It is a shrub with pinnate leaves, the leaflets variable, yellow flowers mostly occurring in winter, and linear pods. Six subspecies, four hybrid subspecies and two subspecies named but not yet described are accepted by the Australian Plant Census.