Rhizomes slender. Stems ascending or prostrate, 7.5-15 cm, much branched, tomentose. Petiole 4-8.3 mm; leaf blade circular or flabellate, 1.2-2.5 cm, ± leathery, base truncate-cuneate to cuneate, margin crenate, apex rounded, corrugate, pubescent-lanate. Cymes axillary, few flowered, shorter than leaves; bracts filiform, shorter than pedicels. Calyx ca. 1.2 cm, slightly incurved, flaccid villous; teeth subequal, lanceolate to subulate, shorter than calyx tube. Corolla white, ca. 1.8 cm, erect, throat dilated, funnelform, limb small, regular. Nutlets linear-oblong, ca. 6 mm, smooth.