Rhododendron bainbridgeanum Tagg & Forrest

Shrubs, 1–2 m tall; old branches grayish white, glabrous; young shoots greenish, sparsely glandular-hairy. Petiole terete, adaxially flat, grooved, 10–15 mm, glabrous, abaxially conspicuously glandular hairy; leaf blade leathery, oblong-elliptic to obovate, 6–10 × 2–4.5 cm; base cordate; apex mucronate; abaxial surface indumentum persistent, thin, olivaceous or brownish yellow; adaxial surface green, densely rugulose, glabrous or hairy on midrib; midrib prominent abaxially, impressed adaxially; lateral veins 12–14-paired, slightly raised abaxially, slightly impressed adaxially. Inflorescence racemose-umbellate, 4–8-flowered; rachis ca. 5 mm, pilose. Pedicel slender, 1.5–2.5 cm, densely glandular-hairy; calyx membranous, lobes 5, 4–5(–9) mm, ovate to oblong, outer surface and margin with glandular hairs; corolla campanulate, white to cream, base with deep red spots, 2.5–3.5 cm, lobes 5, suborbicular, ca. 1.5 × 1.5–2 cm, apex emarginate; stamens 10, unequal, 1.5–2.5 cm, filaments pubescent at base; anthers ovate; ovary ovate, ca. 4 mm, glandular hairy; style ca. 2 cm, as long as corolla, base with slightly glandular hairs, stigma slightly expanded. Capsule cylindric, curved, ca. 20 × 4 mm. Fl. May–Jun, fr. Aug–Sep.

SE Xizang, NW Yunnan [Myanmar].

Coniferous forests, scrub, mountain slopes; 3300–3700 m.

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

Rhododendron bainbridgeanum là một loài thực vật có hoa trong họ Thạch nam. Loài này được Tagg & Forrest miêu tả khoa học đầu tiên năm 1931.

毛萼杜鹃（学名：Rhododendron bainbridgeanum）为杜鹃花科杜鹃属下的一个种。