Abstract:Rhododendron zhangjiajieense C. L. Peng et L. H. Yan, The new species is related to Rhododendron wiltonii Hemsl. et Wils., but it differs in the shorter and smaller leaves, 6.8~8 cm long and 2~2.5 cm broad, adaxial surface flat, not being coarsely bullate-rugose, abaxial surface indumentums yellow to rust-red, 1-layered, felted hairs, 5~6(9) flowers, smaller, corolla 2.5 cm long.