Survival data on Rhododendron species in Botanical gardens and their corresponding climate. How species and their genetically related sub species is distributed along a documented climate gradient provide useful insight in how plant species tackle changes in climate. The following species are part of the current research. The nomenclature follows Chamberlain et al. Flowers open, white, yellow, pink, or purple.
Leaves are elliptic, upper surface dark green, lower surface with large brownish scales.
Kashmir to S.E. Tibet. Flowers white to pale rose to lilac. 9-18cm, upper surface glabrous, lower surface with a continuous indumentum. Flowers pink to purple. Leaves 7-10cm, upper surface with a bluish metallic shine, lower surface with a thick and smooth rusty brown indumentum.