R. arboreum ssp. cinnamomeumProbably the most notable characteristic of this rhododendron species is the bright orange felty indumentum on the undersides of the leaves. The craggy bark is noteworthy as well. The white flowers are held in tight trusses, and cover the plant in early spring. Plant on a mound or hill so you can see the undersides of the leaves. Rare Variety This variety is difficult to find anywhere due to these reasons Hard to propagate many cultivars do not root