多变杜鹃(原亚种) duo bian du juan (yuan ya zhong)

Rhododendron axium I. B. Balfour & Forrest; R. chalarocladum I. B. Balfour & Forrest; R. metrium I. B. Balfour & Forrest; R. nanothamnum I. B. Balfour & Forrest; R. pagophilum I. B. Balfour & Kingdon Ward; R. probum I. B. Balfour & Forrest; R. selense var. pagophilum (I. B. Balfour & Kingdon Ward) Cowan & Davidian; R. selense var. probum (I. B. Balfour & Forrest) Cowan & Davidian.

Young shoots, petioles, and pedicels with short glandular hairs or sessile glands. Leaf blade broadly elliptic or obovate, 5–8 × 2.5–4 cm; abaxial surface greenish. Calyx less than 2 mm. Fl. May–Jun, fr. Jul–Aug.

Montane Abies forests, Rhododendron thickets; 2800–4000 m. SW Sichuan, E Xizang, NW Yunnan.