Stem prostrate and rooting, us. < 1 cm. diam., terminating in tuft of ± erect lvs. Lamina submembr., c. 1-3 cm. × 8-20 mm., ovate, regularly shallowly crenate-dentate, base rounded, upper surface uniformly and rather closely covered with short hairs, hairs on undersurface confined to veins; petiole channelled, narrow, us. > lamina, with scattered to crowded hairs. Peduncle hairy, erect, much > lvs, rarely > 20 cm. tall in fr., us. with 2 or 3 ± sessile cauline lvs below floral bracts. Bracts in (1)-2-3 whorls, 2-5-(7) per whorl, subentire and decreasing in size upwards; hairs almost confined to margins. Pedicels up to as many as bracts in each whorl and longer, up to 3 cm. long, clad in flexuous tapering non-glandular hairs. Calyx-clefts all reaching almost to base; lobes c. 5-6 × 1 mm., entire, acute to subacute, hairs few to many, non-glandular. Corolla 15-20 mm. diam., hairs on outside of tube sts sparse or confined to base of posterior lobes.