Plants of South Eastern New South Wales
Prostanthera monticola
Buffalo Mint-bush
Lamiaceae
Dry forest and woodland in rocky areas, at 530–1833 m altitude. Mainly Kosciuszko National Park.
Shrub to 2 m high, sprawling. Branchlets more or less cylindrical to almost 4-angular, often with about 8 ridges on younger growth, appressed hairy. Leaves aromatic when rubbed, opposite each other, 1.5–5 cm long, 5–13 mm wide, leathery, upper surface grooved and hairy or hairless, lower surface hairless, margins entire, tips blunt. Flowers pale blue-green to grey-green, with dark purple-blue veins; 30–35 mm long, with a relatively narrow tube, 2-lipped, the upper lip notched to 2-lobed, the lower lip 3-lobed with the middle lobe notched. Calyx 2-lobed. Flowers single at the base of paired leaves. Flowering: summer.
Rare Vic.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Prostanthera~monticola (accessed 3 February, 2021)
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