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Shrub or small tree, 1-7.5m. Leaves coriaceous, 8-16.5 x 3-5.2cm, elliptic to oblanceolate, apex acuminate, lower surface of leaves glabrous though with persistent red punctate hairs bases overlying the veins. Flowers 6-15, in a truss, pale to deep magenta rose, darker on the lobe margins, with darker flecks and usually also a basal blotch; tubular-campanulate; ovary glabrous to sparsely rufous-tomentose, style glabrous.
Distribution China (SE Tibet, NW Yunnan, SW Sichuan).
RHS Hardiness H2-3.
This species is closely allied to R. irroratum but may be distinguished from the latter species by its glabrous style. The subspecies that have been recognized in the past intergrade to such an extent that their maintenance is not justified.