Prostanthera hirtula F.Muell. ex Benth.

Hairy Mint-bush

Fl. Austral. 5: 97 (1870) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Spreading shrub, 0.4–2 m high, to 2.5 m diam., strongly aromatic; branches densely covered with spreading hairs. Leaves narrowly ovate to narrowly elliptic, 10–30 mm long, 1.5–6 mm wide, mid-green, moderately to densely covered in c. spreading, coarse, rigid hairs on upper surface, densely glandular on lower surface, base shortly attenuate, margin entire, recurved to strongly revolute, apex subacute; petiole 0.5–2 mm long. Flowers in a terminal racemose inflorescence that is often leafy basally; bracteoles persistent, c. 2 mm long, 0.5–0.6 mm wide. Calyx 5–7 mm long, tube c. 3 mm long, adaxial lobe 2–4 mm long (slightly enlarged in fruit); corolla dark mauve, 8–10 mm long; anther appendage c. 0.5 mm long. Flowers spring.

CVU, EGL, EGU, GipP, Gold, GGr, HNF, HSF, VAlp, VVP. Scattered but uncommon, usually in elevated rocky sites in woodland and open-forest communities.

Apparent hybrids between P. hirtula and P. rhombea are known from the Wellington River valley, near Mt Margaret.

Source: Conn, B.J. (1999). Lamiaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Neville Walsh, 2017-10-05
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Lamiales
family Lamiaceae
genus Prostanthera
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Prostanthera hirtula in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Prostanthera hirtula in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present native
Gippsland Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Victorian Alps present native

State distribution

Distribution map
New South Wales
Australian Capital Territory