Petiole 1.5-8.5 cm, spreading villous, hairs 1-3.2 mm; leaf blade broadly ovate to orbicular, 3-6.7 X 2.5-7.5 cm, adaxially with mixed hairs 0.2-0.4 mm and 1.2-3 mm, abaxially puberulent along veins, margin double dentate, apex acute to rounded. Peduncle 4-7 cm, spreading villous, hairs 1-3.2 mm; bracts 3-5 X 0.8-2 mm, margin denticulate to crenate. Pedicel spreading pubescent. Calyx ca. 4 mm, 5-sect from base or near base; segments equal, linear-lanceolate to narrowly triangular, 0.9-1 mm wide, outside sparsely pubescent. Corolla red, ca. 1 cm; tube ca. 5 mm; adaxial lip deltoid, ca. 2.8 mm; abaxial lip ca. 5 mm. Stamens adnate to corolla ca. 2.1 mm above base; filaments ca. 1.5 mm; anthers ca. 2.3 mm; staminodes adnate to 1.5-2 mm above corolla base, ca. 1 mm. Pistil ca. 9.5 mm; ovary ca. 2.8 mm, sparsely glandular. Style base sparsely glandular. Capsule 1.5-1.8 cm. Fl. Apr-May, fr. Jul.