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Differs from R. lindleyi in its smaller flowers, 5-7.5 cm long, and perhaps also in the bullate upper surfaces of the leaves. Royal Horticultural Society (1997)
Distribution Bhutan ? China S Tibet
RHS Hardiness Rating H3
The status of this species is uncertain as at least some of the material cited in the type description falls outside the limits of the species as defined. The type itself is extreme but does not have the bullate leaves as described. It is treated as a synonym of R. lindleyi by some recent authors. Royal Horticultural Society (1997)