Shrubs or small trees, 3–5 m tall; young shoots densely rufous-to white-tomentose, later glabrescent. Petiole cylindric, 10–15 mm, stellate-tomentose, glabrous when mature; leaf blade leathery, oblong-elliptic or elliptic-lanceolate, 7–12 × 2.5–5.5 cm; base broadly cuneate to rounded or truncate to slightly cordate; apex acute, apiculate; abaxial surface pale green, glabrous except for midrib rufous stellate-tomentose or floccose near base; adaxial surface green, papillose, glabrous; midrib conspicuously prominent abaxially; lateral veins 12–15-paired, obscure. Inflorescence 8–12-flowered; rachis 10–20 mm, white-tomentose. Pedicel 1–2 cm, with same hairs; calyx lobes 5, ca. 2 mm, triangular, apex acute, pubescent outside; corolla campanulate, white, or purple to pink, with deep purple flecks, 3–3.5 cm, nectar pouches lacking, lobes 5, suborbicular, ca. 1.5 × 2 cm, emarginate; stamens 10, unequal, 1.5–3 cm, filaments pubescent at base; ovary oblong-ovate, ca. 5 mm, brown stellate-tomentose; style stout, glabrous, stigma slightly swollen, small. Capsule cylindric, 15–20 × 4–5 mm, clad with dense hairs. Fl. May–Jul, fr. Sep–Nov.
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