Petiole 0.3-4 cm, spreading pubescent to villous; leaf blade broadly ovate to orbicular, 0.9-2.2 X 1-2.4 cm, adaxially sparsely appressed puberulent to pilose, abaxially densely brownish pubescent, margin crenate, apex rounded. Peduncle 6-10 cm, sparsely pubescent to villous, sometimes glandular puberulent; bracts linear, 2-2.5 mm, puberulent. Calyx seg-ments lanceolate-linear, 2.5-2.9 X 0.3-0.6 mm, outside sparsely brown pubescent. Corolla 8.5-9.5 mm; tube 3-3.5 mm; adaxial lip 3.5-5 m, lobes triangular, 1.5-2 mm; abaxial lip triangular, 5.5-7 mm. Filaments ca. 4 mm, puberulent to pilose near apex; anthers ca. 1.7 mm; staminodes 0.4-0.5 mm. Pistil ca. 1 cm; ovary densely brown pubescent. Style ca. 7 mm, sparsely pubescent to pilose. Capsule ca. 1 cm. Fl. Jul-Aug, fr. Aug-Sep.
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