Small trees or shrubs, 3–7 m tall; bark grayish, rough; shoots greenish, glabrous when young. Petiole slender, 15–35 mm, glabrescent; leaf blade leathery or thickly leathery, narrowly elliptic or oblong-lanceolate, 8–13 × 2–4 cm; base cuneate; margin entire and slightly reflexed; apex acute; abaxial surface indumentum thin silvery-white felty to fawn plastered; adaxial surface deep green, slightly floccose when young, glabrous when mature, midrib prominent abaxially, grooved adaxially; lateral veins 12–14-paired, obscure on both surfaces. Inflorescence lax, 6–9-flowered; rachis 10–15 mm, rufous tomentose. Pedicel 1.5–3.5 cm, pubescent; calyx lobes 5, ca. 2 mm; corolla funnel-campanulate or campanulate, narrow or broad at base, white or pink, with purple or rose spots within on upper part, 2.5–3.5 cm, lobes 5, obovate, ca. 1 × 1.5 cm, emarginate; stamens 12–15(–16), unequal, 1.2–2.5 cm, filaments tomentose at base; ovary cylindric-oblong, ca. 8 mm, with white or grayish indumentum; style ca. 1.8 cm, glabrous, stigma capitate. Capsule cylindric, usually curved, 18–25 × ca. 6 mm, pubescent when young. Fl. Apr–May, fr. Jul–Aug.
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