This very salvia like plant is growing wild over a hill here, no salvias are native to Australia, it has scalloped leaves and pink/white flowers anyone familiar with it.
Here is a link that might be useful: Unknown salvia
Foliage of this unknown plant.
Here is a link that might be useful: Foliage of unknown
Anisomeles is a mint, and a member of subfamily Lamioideae, different from Salvia, which belongs to subfamily Nepetoideae.
Other Salvia mimics belong to subfamily Lamiales include Phlomis (Jerusalen Sage)
Order Lamiales includes a lor of other plant families with labiate flowers that can mimic Salvia, like the Acantaceae and Gesneriaceae
The Wiki entry on the Lamiaceae is pretty interesting:
From the flowers of India:
Here is a link that might be useful: Anisomeles relationship tree