Shrubs or small trees, 2–4 m tall; branches slender, at first puberulent, finally glabrous. Petiole grooved adaxially, 8–15 mm, glabrous; leaf blade leathery, elliptic or elliptic-lanceolate, 5–13 × 1.5–3.5 cm; base cuneate; margin revolute; apex acuminate; abaxial surface indumentum thinly or thickly brown-felted to compacted; adaxial surface dark green, glabrous; midrib prominent abaxially, depressed adaxially; lateral veins 9–12 on each side, obscure on both surfaces. Inflorescence 8–12-flowered; rachis 12–15 mm, glabrescent. Pedicel 2.5–3.5 cm, with sparse minute glands; calyx discoid, 5-toothed, glabrous; corolla funnel-campanulate, narrowed at base, rose, with dark red spots inside, 2.5–3.5 cm, lobes 5, unequal, ca. 1 × 1.5–2 cm, emarginate; stamens 10–12, 1–1.5 cm, filaments glabrous; ovary ovoid, ca. 5 mm, tomentose; style ca. 1.5 cm, glabrous, stigma slightly dilated. Fl. Apr-May.
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