麻栗坡杜鹃 ma li po du juan

Shrubs, ca. 2 m tall; young shoots pale purple, densely brown-strigose. Petiole 3–7 mm, coarsely strigose; leaf blade papery, ovate or ovate-elliptic, rarely long-ovate, 2–4(–5.5) × 1.5–3 cm; base broadly cuneate or subrounded; margin crenate, sparsely coarsely strigose; apex acuminate or acute; abaxial surface with hairs only on the midrib and lateral veins; adaxial surface sparsely brown-strigose. Inflorescence 3- or 4-flowered. Pedicel ca. 0.5 cm, densely brown-strigose; calyx lobes small, with brown hairs; corolla funnelform, pinkish, without purple flecks, 1.6–2 cm; tube cylindric, ca. 10 mm, outer surface glabrous, inner surface puberulent; lobes oblong-obovate, 0.9–1.2 × ca. 0.5 cm, both surfaces glabrous; stamens 5, subequal, 1.9–2.1 cm, exserted from corolla tube, filaments flat, puberulent; ovary conical, ca. 3 mm, densely coarsely brown-strigose below; style coarsely strigose below, not glandular above. Capsule conical, ca. 5 × 4 mm, coarsely brown-strigose.

Broad-leaved mixed forests; 1500–1700 m. S Yunnan.