Bot. Mag. 143: t. 8721 (1917)
Verified by:
Shrub of uncertain height. Stem swollen and tuber-like at the base. Young growth lepidote. Leaves rather narrowly elliptic, acuminate at apex 100-125 x 30-40 mm, upper surface brownish green, sparsely lepidote, lower surface pale green, lepidote with distant, golden scales; petiole iepidote and with a few sparse loriform setae. Inflorescence c. 5-flowered, pedicels lepidote and sparsely pubescent. Calyx unequally 5-lobed, the longest lobe c. 7 mm, all oblong-ovate, foliaceous, lepidote and sparsely pubescent outside, fringed with loriform setae. Corolla funnel-campanulate, white with a yellow blotch inside, 55-65 mm, the tube 22-35 mm, pubescent outside at the base, sparsely lepidote all over, tube glabrous inside. Stamens 10, filaments pubescent towards the base. Ovary densely lepidote, style impressed, lepidote in the lower half, pubescent near the base. Capsule unknown.
Known only in cultivation
Cullen, J. (1980) A Revision of Rhododendron 1: Subgenus Rhododendron sections Rhododendron & Pogonanthum. Notes from the Royal Botanic Garden Edinburgh 39(1):45