Rhododendron wightii Hook. fil.

Shrubs or small trees, 2–4 m tall; older branches glabrous; young shoots sparsely gray-floccose. Petiole 15–25 mm, sparsely floccose; leaf blade leathery, oblong-elliptic to oblong-ovate, 12–18 × 5–7 cm; base broadly cuneate or subrounded; apex obtuse or short acuminate and apiculate; abaxial surface cinnamon to brownish or sometimes grayish, indumentum dense, 1-layered, compacted, hairs branched; adaxial surface bright green, glabrous. Inflorescence surrounded at base by ± persistent, stiff, viscid bud scales, laxly umbellate, 10–20-flowered, rachis ca. 10 mm. Pedicel 1.5–3 cm, gray- to yellow-floccose, with a few glandular hairs; calyx lobes 5, 0.5–1 mm, glabrous; corolla campanulate, pale yellow or lemon-yellow, blotched crimson at base within and spotted crimson on one side on upper lobes, 3.5–4.5 cm, lobes 5, ca. 1.5 cm, grooved; stamens 10, unequal, filaments pubescent at base; ovary 5–6 mm, densely brown-tomentose; style ca. 2.7 cm, glabrous, stigma discoid. Capsule oblong-cylindric, slightly curved, 20–30 × 4–5 mm with a few vestiges of hairs. Fl. Jun, fr. Sep.

E. Himalaya (E. Nepal to Bhutan), N. Assam.

S Xizang [Bhutan, Nepal, Sikkim].

3300-4100 m

Thickets, mountain slopes; 3900–4300 m.

Rhododendron wightii adalah spesies tumbuhan yang tergolong ke dalam famili Ericaceae. Spesies ini juga merupakan bagian dari ordo Ericales. Spesies Rhododendron wightii sendiri merupakan bagian dari genus Rhododendron.

Rhododendron wightii là một loài thực vật có hoa trong họ Thạch nam. Loài này được Hook. f. miêu tả khoa học đầu tiên năm 1851.

宏钟杜鹃（学名：Rhododendron wightii）为杜鹃花科杜鹃属下的一个种。