凝毛杜鹃 ning mao du juan

Rhododendron agglutinatum I. B. Balfour & Forrest, Notes Roy. Bot. Gard. Edinburgh 12: 88. 1920; R. dumosulum I. B. Balfour & Forrest; R. lophophorum I. B. Balfour & Forrest; R. syncollum I. B. Balfour & Forrest.

Leaf blade 5–8 × 2.5–4 cm; abaxial surface densely compacted tawny agglutinate-tomentose, sometimes splitting into patches. Corolla 2.3–3.5 cm. Capsule straight. Fl. May–Jun, fr. Jul–Sep.

Abies forests, Rhododendron thickets, mountain slopes; 3000–4800 m. W Sichuan, SE Xizang, NW Yunnan.