火红杜鹃(原变种) huo hong du juan (yuan bian zhong)

Rhododendron euchaites I. B. Balfour & Forrest; R. neriiflorum subsp. euchaites (I. B. Balfour & Forrest) Tagg; R. neriiflorum var. euchaites (I. B. Balfour & Forrest) Davidian; R. neriiflorum subsp. phoenicodum (I. B. Balfour & Farrer) Tagg; R. phoenicodum I. B. Balfour & Farrer.

Petioles, pedicels and ovary eglandular; leaf blade abaxial surface flat, without marked reticulations. Pedicel and calyx eglandular. Fl. Apr–May, fr. Sep–Oct.

Mixed forests, Pinus forests, Rhododendron forests; 2500–3600 m. SE Xizang, W Yunnan.