Stems 4-17.5 cm, appressed puberulent and sparsely villous. Leaves opposite; petiole 0.2-2.5 cm; leaf blade oblique, elliptic to ovate, 2.5-8(-11) X 1.2-4(-5.5) cm, papery, adaxially puberulent, orange glandular, abaxially sparsely pubescent, eglandular, base oblique, broadly cuneate, margin irregularly denticulate to double dentate, apex acute to obtuse; lateral veins 6-9 on each side of midrib. Cymes (1 or)2-6-flowered; peduncle 5.5-9 cm, sparsely glandular puberulent; bracts connate at base, orbicular-ovate, adaxially glabrous, abaxially sparsely puberulent to glabrescent, margin entire. Pedicel 4-8 mm. Calyx zygomorphic, 5-6 mm; limb 2-lipped; tube ca. 3.6 mm; adaxial lip 3-lobed, depressed trapeziform, ca. 1 mm, lobes ovate, 1-2 mm wide; abaxial lip 2-cleft to middle, lobes ovate, 2.2-2.5 mm wide, glabrous, margin entire. Corolla purple, ca. 3.6 cm, glabrous; tube nearly tubular, ca. 2.8 cm X 8 mm; adaxial lip ca. 4 mm; abaxial lip ca. 8 mm. Filaments ca. 8 mm, glabrous; anthers ca. 2.6 mm, puberulent; staminodes 2, ca. 6 mm. Pistil ca. 2.5 cm, glabrous; ovary ca. 1.5 cm. Fruit unknown. Fl. Jun.
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