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Usually an epiphytic shrub, to 2m; young shoots scaly, glabrous. Leaves 5.5-7.5 x 1.8-2.5cm, elliptic or narrowly elliptic, apex rounded, mucronate, lower surface papillose, scales close, yellow, unequal, the smaller sunk in pits, their rims upturned. Pedicels thin, 25-35mm, scaly; Flowers 4-10 per inflorescence; calyx lobes 2-5mm, well-developed, spreading or reflexed; corolla yellow, campanulate, 9-13mm; tube 4-6mm, scaly outside, hairy within; stamens 10, regular; ovary scaly, tapering into the decimate style.
Distribution NE India (Arunachal Pradesh), Bhutan, NE Burma, China (NW Yunnan, S Tibet).
RHS Hardiness H3-4a.
Taxonomic note (incl. R. micromeres Tagg)
A distinctive species, without close relatives.