Prostanthera melissifolia F.Muell.

Balm Mint-bush

Fragm. 1: 19 (1858) APNI

Taxonomic status:Accepted

Occurrence status:Endemic

Establishment means:Native

Erect shrub 1–5 m high, slightly, and faintly unpleasantly, aromatic; branches 4-ridged, sparsely to moderately covered with short, curled hairs and subsessile glands. Leaves ovate to narrowly ovate (rarely elliptic), 12–50(–60) mm long, 9–25(–30) mm wide, dull green, glabrous, base attenuate, often somewhat asymmetric, margin toothed, rarely entire, apex obtuse; petiole (8–)10–15 mm long. Flowers in a terminal bracteose, racemose or paniculate inflorescence; bracteoles persistent, 1–1.5 mm long, c. 0.1 mm wide. Calyx 3.3–5 mm long, tube 1.5–2.5 mm long, adaxial lobe 1.5–2.5 mm long (slightly enlarged in fruit); corolla dark mauve, occasionally pinkish, without markings, (8–)10–12 mm long; anther appendages 1 or 2 per locule (usually with 1 undeveloped), to 0.5 mm long, often apparently absent. Flowers spring.

CVU, DunT, GipP, HNF, HSF, OtP, OtR, Strz, VAlp, VVP, WaP. Endemic in tall montane forests between the Otway and Strzelecki Ranges, often occurring on track margins, clearings and rocky outcrops.

Records of this species for East Gippsland almost certainly refer to P. incisa.

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 melissifolia in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Prostanthera melissifolia in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present native
Gippsland Plain present native
Otway Plain present native
Warrnambool Plain present native
Central Victorian Uplands present native
Dundas Tablelands present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Otway Ranges present native
Strzelecki Ranges present native
Victorian Alps present native

State distribution

Distribution map
New South Wales
Australian Capital Territory