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Differs from the closely allied R. nuttallii in its leaves with lower surface greenish (not glaucous), the veins less prominent, and with the upper surface not or only slightly bullate. Royal Horticultural Society (1997)
Distribution China S Tibet - Tsangpo Valley
Habitat 2,150-2,300 m
RHS Hardiness Rating H2
The status of this species is uncertain. As it grows with the related R. nuttallii, it could be a natural hybrid of the latter species. It does however have a distinctive appearance. Royal Horticultural Society (1997)