Hemigenia R.Br.

Perfect stamens usually 4. Corolla deep blue or purple Hemigenia
Leaves linear-terete, channeled on the upper surface, 8–15 mm long, c. 1 mm wide. Flowers in the axils of the upper leaves, sessile or on short peduncles; bracteoles linear, shorter than the calyx. Calyx 4–5 mm long; the teeth longer than the tube. Corolla 8–10 mm long. Erect, slender shrub up to 2 m high. Widespread. DSF and heath. Sandy soils. Fl. spring–summer H. purpurea purpureaH. purpurea
Leaves oblong-cuneate, 10–15 mm long, 2–4 mm wide, contracted into a long petiole. Calyx 4–6 mm long; teeth shorter than the tube. Corolla c. 8 mm long. Erect shrub up to c. 2 m high, Woronora Plateau; Hornsby Plateau; northern Blue Mts DSF. Sandy soils. Fl. spring–summer H. cuneifolia cuneifoliaH. cuneifolia