subgenus Rhododendron
section Rhododendron
subsection Triflora

Shrubs, often large, to 10m ; young shoots scaly, sometimes setose. Leaves usually evergreen, occasionally deciduous, sometimes pubescent, especially on midrib and veins, scales on lower surface lax or dense, rimmed or rimless, sometimes of two kinds. Inflorescence terminal and axillary, 1-3-flowered, occasionally with several inflorescences coalescing to form a compound inflorescence. Calyx usually minute.
Corolla strongly zygomorphic, openly funnel-shaped ; stamens 10, declinate ; ovary impressed below the declinate style. Seeds unwinged and with very small obscure fins.

Rhododendron ambiguum
Rhododendron amesiae
Rhododendron augustinii ssp. augustinii
Rhododendron augustinii ssp. chasmanthum
Rhododendron augustinii ssp. hardyi
Rhododendron augustinii ssp. rubrum
Rhododendron brachypodum
Rhododendron concinnum
Rhododendron davidsonianum
Rhododendron gemmiferum
Rhododendron guangnanense
Rhododendron kangdingense
Rhododendron keiskei var. hypoglaucum
Rhododendron keiskei var. keiskei
Rhododendron keiskei var. ozawae
Rhododendron lutescens
Rhododendron oreotrephes
Rhododendron pleistanthum
Rhododendron polylepis
Rhododendron rigidum
Rhododendron searsiae
Rhododendron seguinii
Rhododendron shaanxiense
Rhododendron shimianense
Rhododendron siderophyllum
Rhododendron tatsienense var. nudatum
Rhododendron tatsienense var. tatsienense
Rhododendron trichanthum
Rhododendron triflorum ssp. multiflorum
Rhododendron triflorum ssp. triflorum var. bauhiniiflorum
Rhododendron triflorum ssp. triflorum var. triflorum
Rhododendron wongii
Rhododendron xichangense
Rhododendron yunnanense
Rhododendron zaleucum var. flaviflorum
Rhododendron zaleucum var. pubifolium
Rhododendron zaleucum var. zaleucum