Rhododendron macabeanum

长柱睫萼杜鹃Rhododendron lyi

深黄杜鹃Rhododendron luteum

黄花杜鹃Rhododendron lutescens

黄白花杜鹃Rhododendron luteiflorum

洛维杜鹃Rhododendron lowii

桑寄生叶杜鹃Rhododendron loranthiflorum

白背杜鹃Rhododendron leucaspis

柔弱杜鹃Rhododendron leptanthum

鳞腺杜鹃Rhododendron lepidotum

鹿角杜鹃 Rhododendron latoucheae

高山杜鹃Rhododendron lapponicum

林生杜鹃Rhododendron lanigerum

Rhododendron lamrialianum

拉比杜鹃Rhododendron lambianum

褐叶杜鹃Rhododendron konori var. phaeopeplum

九州杜鹃Rhododendron kiusianum

科桑杜鹃Rhododendron kesangiae

独龙杜鹃Rhododendron keleticum

阴地杜鹃Rhododendron keiskei