Prostanthera denticulata
Leaves glabrous except for short rigid tuberculate hairs resembling minute prickles on the upper surface, ovate-lanceolate to narrow-linear, sessile or nearly so, 5–12 mm long, revolute, entire. Floral bracts ovate, acuminate, coloured. Calyx hirsute; lips broad, nearly equal. Corolla deep violet, 7–10 mm long. Straggling to decumbent shrub up to 1 m high. Frenchs Forest to Newport and Cowan. Open forests on Ss and shales. Fl. spring