Perennial herb with 1—several stems 0,25—0,6 m long arising from a woody or tuberous rootstock; stems simple or sparÂingly branched, glabrous to pilose. Leaves sessile to shortly petiolate; blade ovate to ovate-lanceolate, 35-80 X 18-40 mm, glabrous to sparingly pubescent, lower surface with scattered yellowish gland-dots, apex acute to obtuse, base cuneate to obtuse, margin coarsely crenate-dentate mainly in the upper two-thirds; petiole 0—3 mm long. Inflorescence usually simple, 50—200 mm long; verticils 4—6-flowered, 5 — 15 mm apart; bracts broadly ovate, acuminate, 2,5—3 mm long. Calyx 8—9 mm long at fruiting stage, pubescent. Corolla white to mauve; tube 6 mm long, straight; upper lip erect, 3,5 mm long; lower lip concave, 4 mm long. Stamens exserted from the throat by 2 mm; upper 2 filaments attached 1 — 1,5 mm from the throat, glabrous. Stigma thickened, minutely bifid.