Prostanthera denticulata R.Br.

Rough Mint-bush

Prodr. 509 (1810) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Straggling to subprostrate shrub, to 1 m high and c. 2 m diam., aromatic; branches moderately covered with short, more or less appressed antrorse hairs. Leaves narrowly ovate, occasionally ovate, 4–10 mm long, 2–3 mm wide, mid-green, sparsely covered with short, subtuberculate hairs (mostly near margin), moderately glandular (especially on lower surface), base obtuse to rounded, margin entire, recurved, apex obtuse; petiole 0.5–1 mm long. Flowers in a terminal, racemose inflorescence; bracteoles persistent, 1–1.5 mm long, 0.2–0.4 mm wide. Calyx 3.5–5 mm long, tube 2–2.5 mm long, adaxial lobe c. 2 mm long (slightly enlarged in fruit); corolla purple to mauve, 7–10 mm long; anther appendage absent. Flowers spring and early summer.

CVU, EGL, EGU, GipP, Gold, GGr, HNF, HSF, LoM, NIS, VRiv, VVP, Wim. Also NSW. Locally common in dry sclerophyll forests, woodlands and shrublands, mostly on shallow soils derived from sediments (sandstone, mudstone, shale etc.).

Further field studies are required to resolve the taxonomic status of the Victorian populations.

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: Val Stajsic, 2018-08-24
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 denticulata in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Prostanthera denticulata in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Wimmera present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Gippsland Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Northern Inland Slopes present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native

State distribution

Distribution map
New South Wales
Australian Capital Territory