Rhododendron hanceanum Hemsl.

Shrubs, evergreen, 1–2 m tall; branchlets scaly. Petiole 4–9 mm, densely scaly; leaf blade leathery, ovate-lanceolate to obovate, 5–13 × 2–6 cm; base tapering to broadly cuneate or rounded; apex acuminate with a conspicuous drip tip; abaxial surface pale green, scales 2–3 × their own diameter apart, small, golden brown; adaxial surface bright green, glabrous. Inflorescence terminal, racemose, 7–9-flowered; rachis to 15 mm. Pedicel ca. 1 cm, scaly; calyx lobes ca. 8 mm, ovate-oblong to lanceolate, persistent in fruit, densely scaly abaxially, margin ciliate; corolla funnel-campanulate, white, ca. 2.5 cm, tube ca. 13 mm, outer surface sparsely scaly, inner surface sparsely pilose at base; stamens 10, filaments pilose towards base; ovary densely scaly; style slender, longer than stamens and shorter than corolla, glabrous. Capsule long-cylindric, ca. 10 mm, densely scaly. Fl. Apr–May, fr. Oct.

C Sichuan.

Cliffs; 1200–2500 m.

Rhododendron hanceanum is a species of flowering plant in the genus Rhododendron native to south-central China. Its Nanum Group has gained the Royal Horticultural Society's Award of Garden Merit.

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

Rhododendron hanceanum là một loài thực vật có hoa trong họ Thạch nam. Loài này được Hemsl. miêu tả khoa học đầu tiên năm 1889.

疏叶杜鹃（学名：Rhododendron hanceanum）为杜鹃花科杜鹃属下的一个种。