Plants of South Eastern New South Wales

Prostanthera linearis

Flowers and leaves. Australian Plant Image Index, photographer Murray Fagg, Australian National Botanic Gardens, Canberra, ACT

Flowering branches. Australian Plant Image Index, photographer Murray Fagg, Australian National Botanic Gardens, Canberra, ACT

Flowers and leaves. Australian Plant Image Index, photographer Murray Fagg, Australian National Botanic Gardens, Canberra, ACT

Common name

Narrow-leaved mint-bush

Family

Lamiaceae

Where found

Forest and near streams. Coast and ranges north of Milton. Tablelands south from north of Braidwood.

Notes

Shrub to 3 m high. Branchlets hairless. Leaves not aromatic when rubbed, opposite each other, 1.5–4.5 cm long, 2–3 mm wide, upper surface mid-green, lower surface paler, margins entire, tips blunt to almost pointed. Flowers white, often with a pinkish mauve tinge on the tube, 8–12 mm long, with a bell-shaped tube, 2-lipped, the upper lip notched to 2-lobed, the lower lip 3-lobed. Calyx 2-lobed. Flowers in leafy to leafless clusters. Flowering: September–December.

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Prostanthera~linearis  (accessed 3 February, 2021)