云雾杜鹃(原变种) yun wu du juan (yuan bian zhong)

Rhododendron repens I. B. Balfour & Forrest var. chamaethomsonii Tagg in J. B. Stevenson, Sp. Rhodod. 514. 1930 ["chamae-Thomsonii"].

Young shoots and petioles glandular-hairy. Leaf blade with both surfaces glabrous. Calyx 2–4 mm; corolla pale pink to deep crimson; ovary sparsely hairy, sometimes glandular.

Damp rocky alpine slopes; 4200–4500 m. SE Xizang, NW Yunnan.