Epiphytic or free-growing shrub, to 2 m; young shoots usually lacking setae. Leaves 7–12 × 3–5 cm, narrowly elliptic to narrowly obovate, apex abruptly acute, with a short drip tip, upper surface with impressed midrib, lower surface with a variably dense covering of scales. Flowers c.3, in a loose terminal inflorescence, not scented; calyx disc-like, not ciliate; corolla white to white flushed pink, often with yellow, orange or greenish blotch, sometimes flushed pink, 75–80 mm, outer surface scaly, pilose at base; stamens 10; ovary scaly, impressed below the style that is scaly below. Flowering April-May. Royal Horticultural Society (1997)
Distribution Myanmar N China SE Tibet, Yunnan India Arunachal Pradesh
Habitat 1,200–1,400 m
RHS Hardiness Rating H2
Awards FCC 1935 (L. de Rothschild, Exbury) as R. taronense; flowers white, flushed pink, darker externally, especially on lobes.
Conservation status Vulnerable (VU)
Taxonomic note (incl. R. notatum Hutch. & R. taronense Hutch.) Royal Horticultural Society (1997)
This is a variable species, without close allies. Royal Horticultural Society (1997)