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Shrub or small tree, 2-5 m. Leaves subcoriaceous, 9-14 x 3-5 cm, oblanceolate to oblong, apex acuminate, lower surface usually with a papillate cuticle and a thin persistent or detersile stellate indumentum, lacking punctate glands. Flowers 5-10, in lax truss, pale cream to pink, with purple flecks and a basal blotch, campanulate, nectar pouches lacking, 40-55 mm; ovary with a dense dendroid tomentum intermixed with stalked glands. Flowering April-May. Royal Horticultural Society (1997)
Distribution Bhutan India Arunachal Pradesh
Habitat 1,800-3,300 m
RHS Hardiness Rating H5
Conservation status Near threatened (NT)
Taxonomic note (incl. R. epapillatum Balf.f. & cooper) Royal Horticultural Society (1997)
Rarely grown; plants in cultivation are sometimes wrongly named R. agastum, a species that may be distinguished by its 6-7-lobed corolla, etc. Royal Horticultural Society (1997)