Petiole 1.4-6 cm, puberulent; leaf blade ovate to orbicular, 0.6-2.8 X 0.5-2.9 cm, adaxially sparsely puberulent, abaxially densely puberulent, base cordate to broadly cuneate, margin crenulate, apex broadly obtuse to rounded; lateral veins inconspicuous. Cymes 1-4-flowered; peduncle 6-9 cm, sparsely puberulent; bracts linear, ca. 2 mm. Pedicel 0.5-3 cm. Calyx actinomorphic, 5-sect from base; segments equal, lanceolate, 2-3.5 X 0.5-1 mm, outside puberulent. Corolla purplish, outside puberulent, inside adaxial lip and tube near mouth densely puberulent; tube ca. 2.8 mm; adaxial lip ca. 4 mm, distinctly 2-lobed; abaxial lip 8-9 mm. Filaments ca. 1.5 mm, glabrous; anthers globose-ovoid, 1-1.5 mm, beakless; staminodes 2. Pistil ca. 5.5 mm; ovary ca. 1 mm, villous. Style villous near base. Capsule 4-6 mm. Fl. Oct.
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