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 variously toothed
Leaves hairy on both surfaces
Leaves with margins recurved, entire; linear to narrow-oblong, 8–20 mm long, scabrous-hirsute. Corolla violet with purple markings, c. 7 mm diam. Calyx lips nearly equal. Floral leaves obtuse. Strongly aromatic shrub up to 2 m high. Woronora Plateau; lower Blue Mts DSF; rocky places. Fl. spring Prostanthera hirtula
Leaves with margins crenate