Terrestrial herb, to 15 cm tall (without inflorescence). Stem sappy, decumbent, tomentose. Leaves subequal in a pair; petiole 3-7.5 cm long, tomentose; blade chartaceous when dry, ovate-elliptic, 5.5-8 x 2.4-6 cm, margin crenate, apex barely acute to blunt, base rounded to slightly cordate, sometimes asymmetrical, above pilose, below tomentose on veins, loosely pilose between veins. Flowers many, in long pedunculate cymes; peduncle 15-20 cm long, with small, loose hairs; pedicel 0.6 cm long, pilose. Calyx lobes free, oblique, subequal, lanceolate, 0.4-0.5 x 0.2 cm, margin 3-5-toothed in distal 1/3, apex acute, outside and inside pilose; corolla erect in calyx, white, 0.7 cm long, tube campanulate, 0.3-0.4 cm long, base not spurred, 0.2 cm wide, middle slightly ventricose, not constricted, throat not constricted, 0.6-0.7 cm wide, outside shortly tomentose, inside glabrous, limb 1-1.5 cm wide, lobes subequal, spreading, ventral lobe less so, suborbicular, 0.2-0.35 x 0.2-0.35 cm, margin dentate-fimbriate; stamens included, inserted on corolla tube; ovary ovoid, 0.1 x 0.15 cm, hirsute, style 0.35-0.4 cm long, glabrescent, stigma capitate. Mature capsule light brown, laterally compressed, wider than long, < 0.3 x 0.5 cm.
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