Shrubs, 1–4 m; branches of present year glabrous. Petiole ca. 10 mm, strigose and pubescent; leaf blade papery, ovate, ovate-elliptic, or elliptic, 6–10 × 3–6 cm; base broadly cuneate to rounded; margin serrulate, stoutly ciliate; apex acute; both surfaces yellowish pubescent, glabrescent; abaxial surface with lateral veins gray-tomentose; midrib impressed adaxially; lateral veins 10–12-paired. Inflorescence 2–4-flowered. Pedicel 1–2 cm, densely glandular-hairy; calyx small, glandular-hairy; corolla funnelform, pale purple or purplish red, upper lobes with purple spots at base, 4.5–5 cm, lobes 5, elliptic, 3–3.5 cm; stamens 10, 3–4.5 cm, glabrous; ovary ovoid, glabrous; style as long as corolla. Capsule ovoid, ca. 10 × 8 mm, glabrous. Fl. Apr, fr. Sep.
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