Perennial herb with a ± creeping woody rootstock. Stems ascending-erect, 15-30 cm, not or little branched, finely eglandular tomentose with short or longer white hairs, sometimes glandular-papillose above, regularly leafy. Leaves thickish textured, 7-20 x 7-12 mm, greenish above, villous or densely white tomentose below with sessile oil globules, triangular-ovate to broad ovate, crenate to serrate, broadly cuneate, apically ± acute; petiole 2-10 mm on lower leaves decreasing up the stem to subabsent. Inflorescence of terminal congested ovoid or oblong spikes, 20-40 x 15-20 cm; verticillasters many-flowered sometimes lowermost 1 or 2 separate. Outer bracts elliptic, ovate-lanceolate to obtrullate, green or purplish, acuminate; inner linear-lanceolate; all ± equal to length of calyx. Pedicels adpressed to axis, to c. 2.5 mm. Calyx c. 7-85 mm, ± membranous, narrow tubular obtriangular, eglandular pilose to vinous; throat slightly oblique; teeth somewhat unequal, linear to filiform, mucronate, ciliate, shorter to longer than tube. Corolla pale lilac, violet or almost white, with a white labellum, c. 12 mm; tube curved, exserted. Nutlets 1.5 x 0.9 mm, broad ellipsoid, dark brown, smooth, rounded trigonous, with a small bilobed basal areole.