Rhododendron papillatum I. B. Balf. & Cooper

Shrubs or small trees, 2–5 m tall; young shoots glabrescent. Petiole cylindric, 10–25 mm, glabrous; leaf blade subleathery, oblong-elliptic or oblanceolate, broadest above middle of blade, 8–13 × 2–4 cm; base rounded to broadly cuneate; margin revolute; apex acute or obtuse; abaxial surface pale, papillate, indumentum very thin, veil-like, detersile; adaxial surface green, glabrous; midrib prominent abaxially, deeply impressed adaxially; lateral veins 14–17-paired. Inflorescence racemose-umbellate, 5–9-flowered; rachis 20–35 mm, whitish tomentose. Pedicel 1.5–2.5 cm, densely glandular and dendroid-tomentose; calyx fleshy; lobes 5, 2–3 mm, rounded or triangular, margin glandular; corolla campanulate, pale cream to pink, with purple flecks, blotched at base, 4.5–5 cm, glabrous inside; lobes 5, rounded, ca. 2 × 2.5 cm, emarginate; stamens 10, 2–4 cm, unequal, filaments pubescent at base; ovary conoid-cylindric, 5–6 mm, dendroid-tomentose and glandular-hairy; style 3.5–4 cm, glabrous except for a few glands; stigma small, lobulate. Capsule not known. Fl. Apr.

SE Xizang [Bhutan, NE India].

Abies forests, Rhododendron thickets; 2400–3000 m.

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

Rhododendron papillatum là một loài thực vật có hoa trong họ Thạch nam. Loài này được Balf. f. & R.E. Cooper miêu tả khoa học đầu tiên năm 1922.

乳突杜鹃（学名：Rhododendron papillatum）为杜鹃花科杜鹃属下的一个种。