147. Rhododendron shweliense I. B. Balfour & Forrest, Notes Roy. Bot. Gard. Edinburgh. 13: 293. 1922.
瑞丽杜鹃 rui li du juan
Shrubs, evergreen, 0.3–0.75 m tall; stem and branches with smooth brown flaking bark. Petiole 3–10 mm, scaly; leaf blade leathery, aromatic, obovate, obovate-oblong, to narrowly elliptic, 1.3–4.7 × 0.6–1.8 cm; base obtuse or tapering; apex obtuse or rounded, mucronate; abaxial surface glaucous, scales 0.5–4 × their own diameter apart, unequal, the smaller pale yellow, the larger brown, widely separated; adaxial surface green, matt, usually scaly. Inflorescence 2–4-flowered. Pedicel 1.5–2.3 cm, scaly; calyx lobes 4–7 mm, oblong, oblong-ovate to ovate, persisting to enclose mature capsule, scaly, margin usually sparsely ciliate; corolla campanulate, pale pink tinged yellow, upper three lobes spotted pink, (1.1–)1.3–1.5 cm, scaly; stamens 10, nearly as long as corolla, filaments pubescent in lower 1/2 or over whole of their length; ovary densely scaly; style stout, sharply bent or deflexed, short, usually scaly at base, puberulous. Capsule ovoid, 4–5 mm, scaly. Fl. May–Jun, fr. Jul–Sep.
Grassy slopes, rocky slopes, cliffs; 3000–3400 m. W Yunnan.