Prostanthera Labill.
Subshrubs, shrubs or small trees, upper calyx lip with no protuberance Prostanthera
Leaves subtending the flowers or cymes much smaller than the lower leaves or reduced to deciduous bracts or absent
Leaves with margins entire
Branches sparsely to densely hairy
Leaves orbicular to broad-ovate, 3–20 mm long, 3–15 mm wide; petioles 2–8 mm long. Corolla 10–15 mm long, purple to pinkish. Erect, aromatic shrub up to 3 m high. Widespread. Sheltered situations in forests; margins of RF. Fl. spring Prostanthera rotundifolia
Leaves lanceolate or narrow to broadly ovate, if ± circular then more than 15 mm long