Prostanthera violacea - R.B., Keys, eFlora, and Cool Neuralgia.
There is a flower stem.Murray Fagg is a photographer at the Australian National Botanic Gardens.
The shrub is 2 m high.The branches are covered with hairs.The plant is very aromatic.The leaves are opposite each other, 0.2–0.6 cm long, 2–5mm wide.The flowers are white at the tips of the lobes and have a bell-shaped tube.Calyx is a two-lobed plant.The flowers are single at the base of the leaves.The flowers are in the spring.
The PlantNET description is at http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWFL.pl.