Perennial.

Height.    20 - 60cm

Flowers.   Bright reddish purple, occasionally pink or white.   Whorls on a long spike.

Flowering period.  June - Oct.

Habitat.    Grassland, heaths, footpaths, roadsides, open scrub -light, slightly acid to calcareous soils.

Regions in France.   All

Protection in  France.   None known.