青海杜鹃 qing hai du juan

Small, much-branched shrubs. Petiole 1–1.5 mm, scaly; leaf blade oblong, 0.6–0.8 cm; abaxial surface rusty brown, densely scaly, ferruginous; adaxial surface dark green, scales present, pale. Inflorescence usually 2-flowered. Calyx purplish rose, lobes 3–4 mm, scaly, golden, margin ciliate; corolla funnelform, ca. 1 cm, tube shorter than lobes, outer surface glabrous, throat villous; lobes oblong, ca. 0.6 cm; stamens 8, filaments villous towards base. Capsule cylindric, densely golden scaly. Fl. and fr. May–Jul.

Shady slopes; ca. 4300 m. S Qinghai.