红棕杜鹃(原变种) hong zong du juan (yuan bian zhong)

Rhododendron catapastum I. B. Balfour & Forrest; R. desquamatum I. B. Balfour & Forrest; R. stenoplastum I. B. Balfour & Forrest.

Calyx densely scaly; filaments pubescent below; style glabrous.

Cunninghamia-Quercus mixed forests, Abies-Larix-Picea forest marins or openings, often dominant; (2500–)2800–3500(–4200) m. Sichuan, Xizang, Yunnan [Myanmar].