川滇杜鹃(原变种) chuan dian du juan (yuan bian zhong)

Rhododendron aberrans Tagg & Forrest.

Leaf blade 6.5–10 × 2.5–3.5 cm; apex acute, apiculate; abaxial surface pale brown to fawn, with thin, powdery indumentum, hair arms short and pyriform. Corolla 2.5–3.5 cm; ovary glabrous or sparsely floccose. Fl. May–Jun, fr. Sep–Oct.

Abies forests, Rhododendron thickets, mountains; 3000–4300 m. SW Sichuan, NW Yunnan.