Notes R.B.G. Edinb. 11:23 (1919)
Verified by:
Shrub, 0-5-2 m. Leaves very narrowly elliptic to elliptic, rarely obovate or ovate, obtuse to rounded at the apex, cuneate to rounded at the base, (21-)30-50 X (10-)14-19(-26) mm, upper surface densely lepidote when young, the scales quickly deciduous, lower surface usually dark brown with dense, overlapping scales. Inflorescence (4-)5-8-flowered, rachis elongate, pubescent, pedicels 12-22 mm, lepidote. Calyx 5-lobed, the lobes ± deltoid, (1 ■ 5-)2-4 mm, lepidote, often fringed with loriform setae. Corolla magenta to purple, often with darker spots, 12-14.5 mm, tube 5-7(-9) mm, usually densely lepidote outside, especially on the tube. Capsule lepidote, 5-7.5 mm
India (Sikkim), Bhutan, China (S Xizang)
Forests, hillsides, screes or rocks
R. thyodocum Balfour f. & Cooper, Notes R.B.G. Edinb. 11:148 (1919). Type: Bhutan, Champa Pumthang, 14000 ft, 23 ix 1914, Cooper 2224 (holo. E)
Cullen, J. (1980) A Revision of Rhododendron 1: Subgenus Rhododendron sections Rhododendron & Pogonanthum. Notes from the Royal Botanic Garden Edinburgh 39(1):151