Shrubs or small trees, 2–5 m tall; old branches grayish white, glabrous; shoots stout, 3–4 mm in diam. below inflorescence; young shoots greenish, densely glandular-hairy. Petiole stout and short, 10–15 mm, densely glandular-setose; leaf blade thinly leathery, narrowly ovate-elliptic to long-elliptic, 4–10 × 2–3.5 cm; base rounded or subcordate; apex acute or acuminate, apiculate; abaxial surface greenish, sparsely glandular-hairy when young, glabrescent, midrib densely glandular-setose; adaxial surface deep green, densely rugulose, glabrous; midrib raised abaxially, impressed adaxially; lateral veins 14–16-paired, inconspicuous on both surfaces. Inflorescence racemose-umbellate, 5–8-flowered; rachis conical, 2–5 mm, densely pubescent. Pedicel stout, 1–1.2 cm, with long-glandular hairs; calyx lobes 5, large, oblong-elliptic or ovate-elliptic, apex rounded, outer surface and margin sparsely setose, 5–8 × 2–4 mm; corolla funnelform, rose-pink, throat with purple spots, 2.8–3.5 cm, lobes 5, rounded, ca. 1.2 cm, apex emarginate; stamens 10, unequal, 1.2–2.2 cm, filaments slightly hairy, anthers oblong-elliptic, ca. 3 mm; ovary ovate, 4–5 mm, densely setose; style 2.5–3 cm, slightly longer than corolla, glabrous; stigma not expanded. Capsule cylindric, curved, ca. 30 × 5 mm. Fl. May.
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