Perennial herb; stems procumbent to subscandent, branched, up to 1 m long, densely and softly white villous. Leaves subsessile to shortly petiolate; blade thin-textured, broadly ovate-deltoid to subrotund, 18-40 x 15-30 mm, discolorous, upper surface greenish to brown and thinly to fairly densely pubescent, under-surface with a dense white web-like tomentum and freely dotted with minute yellowish pustulelike gland-dots, apex obtuse to rounded, base cordate, margin regularly and shallowly crenulate; petiole up to 10 mm long. Inflorescence lax; verticils 2-flowered; bracts leaf-like, subsessile. Calyx densely and softly white tomentose with numerous minute gland-dots, 8-9 mm long. Corolla white with mauve-purple upper lip and speckled lower lip; tube 8-9 mm long; upper lip ascending, concave, 3-4 mm long, lower lip horizontal, 8-9 mm long.
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