隆子杜鹃 long zi du juan

Shrubs, evergreen, ca. 1.5 m tall; branchlets scaly, not setose. Petiole 5–6 mm, densely scaly, not setose; leaf blade leathery, ovate, obovate, broadly obovate-oblong to oblong, 3–6 × 2–3.5 cm; base obtuse; margin often ciliate when young; apex rounded, mucronate; abaxial surface pale glaucous, scales contiguous, unequal, dark brown and brown; adaxial surface olive green, matt, without scales. Inflorescence 2- or 3-flowered. Pedicel 0.6–0.8 cm, scaly, not setose; calyx lobes 6–8 mm, ovate to rounded, scaly, margin usually glabrous; corolla broadly campanulate, bright yellow, 2–2.6 cm, outer surface scaly; stamens 10, slightly shorter than corolla, filaments densely villous in lower 1/2–2/3 of their length; ovary densely scaly; style stout, sharply bent, short, scaly at base. Fl. Apr–May.

Rhododendron forests, bamboo forests; 3400–3500 m. S Xizang.