Shrubs, ca. 3 m tall; young shoots densely long and shortly setose and glandular-hairy. Petiole 5–7 mm; leaf blade thickly leathery, ovate or long-ovate, rarely elliptic, 2.5–7(–10) × 1.5–5 cm; base rounded or near rounded; apex acuminate and acute; adaxial surface sparsely setose, glabrescent; abaxial surface setose only on midrib. Inflorescence 5-or 6-flowered. Pedicel 0.4–0.6 cm, densely setose and glandular-hairy; calyx lobes triangular-ovate, outer surface setose and glandular-hairy, margin ciliate; corolla funnelform, purple-red, 1.7–1.9 cm; tube cylindric, 6–7 × ca. 4 mm, both surfaces glabrous; lobes slightly spreading, oblong-obovate or elliptic, ca. 1.2 × 0.4 cm; stamens 5, subequal, exserted, filaments flat, puberulent below; ovary ovoid, ca. 3 mm, densely setose and glandular-setose; style ca. 2.8 cm, longer than stamens, sparsely glandular-setose below. Fl. May–Jun.
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