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Shrub or small tree; young shoots glandular-setose. Leaves coriaceous, 7-11 x 3-4.2 cm, elliptic, apex acuminate, lower surface with punctate hair bases persistent over the veins, with scattered setose glands towards the base and a thin indumentum, especially near the midrib, Flowers c.8 in a truss; calyx c.10 mm; corolla pink, with a basal blotch, funnel-campanulate, c.30 mm; ovary densely stalked-glandular. Flowering April-May. Royal Horticultural Society (1997)
Distribution Myanmar NE
RHS Hardiness Rating H5
Conservation status Data deficient (DD)
The origin of the plants in cultivation is uncertain though they are a good match with the type specimen. R. spilotum may be a hybrid of a species in Subsect. Glischra. Royal Horticultural Society (1997)