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Shrub, 1.5-2.5 m. Leaves thin, 4-10 x 2-4.5 cm, oblong-lanceolate to elliptic, apex rounded, apiculate, lower surface covered in a dense rufous, somewhat matted indumentum composed of dendroid hairs. Flowers 3-8, in a lax truss, pale yellow (to pink?), with purple flecks, campanulate, lacking nectar pouches, 35-50 mm; ovary densely covered with a whitish to brown tomentum, without glands, style glabrous. Flowering April-May. Royal Horticultural Society (1997)
Distribution Bhutan E
Habitat c.3,000 m
RHS Hardiness Rating H6
Conservation status Least concern (LC)
This species apparently hybridizes with R. wallichii and/or R. campanulatum. This may be the origin of the pink-flowered forms that have been reported from the wild and have been named R. poluninii Davidian. Royal Horticultural Society (1997)