Perennial herb mostly hairless and often suffused with reddish purple. Leaves to about 8 cm long, 4 cm wide, hairless or with a few hairs, stalked, margins sawtoothed. Flower cluster terminal in a spike of several flower whorls. Flowers with stamens enclosed. Corolla mostly violet to pink; summer to autumn.
A sterile hybrid, M. aquatica × M. spicata, discovered and named Peppermint in England in the 17th century.
Naturalised in moist sites of Victoria and New South Wales.
Source: (2002). Lavandula. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.
Plant, including the runners, reddish purple. Leaves 3-9 cm long, smelling of eau-de- Cologne, hairless, sometimes red-edged. Flowers purplish, in small terminal heads, sterile. [var. citrata (J.F. Ehr.) Briq.]
Naturalised in NSW.
Leaves narrowly ovate to elliptic, to 6-7 cm long, pungently peppermint scented.
Naturalised in NSW.