宝兴杜鹃 bao xing du juan

Shrubs, sometimes epiphytic, 1–1.5 m tall; old branches glabrous; shoots spreading; young shoots scaly, sparsely brown-hispid. Petiole 3–7 mm, densely brown-scaly; leaf blade leathery, oblong-elliptic or ovate-elliptic, 2–4(–6) × 1.2–2.3(–4) cm; base obtuse, apex obtuse, apiculate; abaxial surface gray-white, scales contiguous to 1 × their own diameter apart, small, unequal, brown; adaxial surface pubescent along midrib only near the base; midrib raised abaxially, concave adaxially; lateral veins inconspicuous on both surfaces. Inflorescence terminal, cymose, 1- or 2-flowered. Pedicel 0.5–0.7 cm, scaly, pubescent or hispid, sometimes glabrous; calyx lobes 5, 2–4 mm, oblong or ovate, persistent in fruit, scales present; corolla broadly funnelform, white or tinged with pale red, with red markings inside, ca. 4 cm, outer surface glabrous; stamens 10, unequal, 2–3 cm, shorter than corolla; filaments with lower part white pubescent; ovary 5-locular, densely scaly; style slightly longer than corolla, glabrous. Capsule ovate, 15–23 mm. Fl. Apr–May, fr. Jul–Oct.

Epiphytic on trees in forests, rocks; 1900–4000 m. Guizhou, Sichuan, NE Yunnan.