Bossiaea walkeri

About

Bossiaea walkeri, commonly known as cactus bossiaea, cactus pea, or Walker's stick bush, is a species of flowering plant in the pea family (Fabaceae) and is endemic to southern mainland Australia. It is a rigid, much-branched shrub with flattened, winged cladodes and red, pea-like flowers between July and November in the species' native range.

Summary from Wikipedia