Rhododendrons Sikkim Himalaya t.27 (1851).
Verified by:
Shrub, 2—4.5m. Leaves broadly elliptic to obovate, 5 — 14 x 3.5-6.5cm, 2-2.5 x as long as broad, apex apiculate, base ± cuneate to rounded, lower surface with a dense unistrate rust-brown indumentum composed of ramiform hairs; petioles 1-2.5cm, sparsely tomentose to glabrescent. Inflorescence 10-20-flowered; rhachis 15-20mm; pedicels 15-30mm, tomentose. Calyx c.0.5mm, glabrous. Corolla 5(-7)-lobed, campanulate to mortar-shaped, pale-to lemon-yellow, with brown or purple flecks, 35-45mm. Ovary densely red-brown tomentose; style glabrous. Capsule 20-30 X c.5mm, straight or curved.
Nepal, NE India (Sikkim, Arunachal Pradesh), Bhutan, China (S Xizang).
Among scrub, stony ground, on ridges
Chamberlain, D.F. (1982) A Revision of Rhododendron II. Subgenus Hymenanthes. Notes From the Royal Botanic Garden Edinburgh 39(2):365