An erect herb that grows to about 60 cm in height. The leaves are long, stalked, and serrated, and reach 2 to 8.5 cm in length and .8 to 2.5 cm in width. In shape they are ovate to lanceolate, with a gland-dotted underside. Flowers of a purple color are located on spikes 2-5 cm (0.8-2 in.) long. The bracts are 3 mm (0.1 in.) in size, rotund, cuspidate, ciliate, and closely imbricate with each being below and close to 2 or 3 flowers.

Hypothermic, stimulates the central nervous system, diuretic and carminative (plant); antibacterial, antipyretic, antiviral, astringent, carminative, diaphoretic, diuretic and stomachic (oil)

Plants for a Future
Invasive Plant Atlas of New England

Vitamin C (fresh leaves)

To relieve the effects of excess alcohol, in the treatment of common colds, fevers, headaches, diarrhoea, oedema and oliguria.

Chandel et al., Biodiversity in Medicinal and Aromatic Plants in India.