Boronia heterophylla, commonly known as red boronia or Kalgan boronia, is a plant in the citrus family Rutaceae and is endemic to the south-west of Western Australia. It is an erect, slender shrub with trifoliate leaves and deep pink to red, four-petalled flowers arranged singly in leaf axils.
Boronia heterophylla is a shrub which grows to a height of 1–3 m (3–10 ft) and has slender branches. The leaves are usually trifoliate with linear leaflets 20–30 mm (0.8–1 in) long on a petiole 20–30 mm (0.8–1 ...