标题：云雾杜鹃（原变种）
参考文献
Rhododendron chamaethomsonii (Tagg et Forrest) Cowan et Davidian var. chamaethomsonii [1]
形态特征
直立灌木，高15-90厘米；树皮片状剥落；小枝具有腺体，常有宿存芽鳞，在花序下  的小枝直径2.6-3毫米。叶革质，倒卵形或长圆状倒卵形，长2.5-6.5（-9）厘米，宽1.1-3.5（-4）厘米，先端圆形，有小突尖头，基部钝形，边缘微反卷，上面灰绿色，下面浅绿色，光滑或基部略有散生的微柔毛，中脉在上面凹下，下面凸出，有时向基部有散生的腺体，侧脉8-10对；叶柄长0.7-1.3（-1.6）厘米，有或无短柄腺体，有或无毛。顶生伞形花序，有花1-4朵；花梗长0.8-1.3（-1.6）厘米，有或无短柄腺体；花萼长2-4毫米，萼齿齿状三角形；花冠管状钟形，长2.6-2.8（-4.8）厘米，直径约2.5-2.8厘米，深红色，外面基部有微柔毛，裂片5，近于圆形，长8-10毫米，宽13-21毫米，顶端有缺刻；雄蕊10，不等长，长1.5-3.4厘米，无毛或有微柔毛，花药长圆形，褐色，长2-2.2毫米；子房圆锥形，长5-6毫米，有或无腺体及毛，花柱长1.3-3.4厘米，无毛，柱头头状，宽约2毫米。蒴果长圆柱形，长1.5-2.3厘米，有腺体残迹，花萼宿存。花期6月。 [1]
产地生境
产云南西北部和西藏东南部。生于海拔4 200-4 500米的高山湿润岩坡上。模式标本采自西藏东南部。[1]
相关的种
亮红杜鹃Rhododendron albertsenianum Forrest 
宿鳞杜鹃Rhododendron aperantum Balf.f. & Kingdon-Ward 
刺枝杜鹃Rhododendron beanianum Cowan 
碧江杜鹃Rhododendron bijiangense Ming 
瓣萼杜鹃Rhododendron catacosmum Balf.f. ex Tagg 
云雾杜鹃Rhododendron chamaethomsonii (Tagg) Cowan & Davidian 
毛背云雾杜鹃（变种）Rhododendron chamaethomsonii (Tagg) Cowan & Davidian var. chamaedoron (Tagg & Forrest) D. F. Chamb. 
短萼云雾杜鹃（变种）Rhododendron chamaethomsonii (Tagg) Cowan & Davidian var. chamaethauma (Tagg) Cowan & Davidian 
高山白花杜鹃Rhododendron chionanthum Tagg & Forrest 
橙黄杜鹃Rhododendron citriniflorum Balf.f. & Forrest 
橙黄杜鹃（原变种）Rhododendron citriniflorum Balf.f. & Forrest var. citriniflorum 
美艳橙黄杜鹃（变种）Rhododendron citriniflorum Balf.f. & Forrest var. horaeum (Balf.f. & Forrest) D. F. Chamb. 
滇缅杜鹃Rhododendron coelicum Balf.f. & Farrer 
两色杜鹃Rhododendron dichroanthum Diels 
匍匐杜鹃Rhododendron erastum Balf.f. & Forrest 
滇西杜鹃Rhododendron euchroum Balf.f. & Kingdon-Ward 
华丽杜鹃Rhododendron eudoxum Balf.f. & Forrest 
褐叶华丽杜鹃（变种）Rhododendron eudoxum Balf.f. & Forrest var. brunneifolium (Balf.f. & Forrest) D. F. Chamb. 
华丽杜鹃（原变种）Rhododendron eudoxum Balf.f. & Forrest var. eudoxum 
白毛华丽杜鹃（变种）Rhododendron eudoxum Balf.f. & Forrest var. mesopolium (Balf.f. & Forrest) D. F. Chamb. 
绵毛杜鹃Rhododendron floccigerum Franch. 
紫背杜鹃Rhododendron forrestii Balf.f. ex Diels 
紫背杜鹃（原亚种）Rhododendron forrestii Balf.f. ex Diels subsp. forrestii 
乳突紫背杜鹃（亚种）Rhododendron forrestii Balf.f. ex Diels subsp. papillatum D. F. Chamb. 
似血杜鹃Rhododendron haematodes Franch. 
绢毛杜鹃（亚种）Rhododendron haematodes Franch. subsp. chaetomallum (Balf.f. & Forrest) D. F. Chamb. 
似血杜鹃（原亚种）Rhododendron haematodes Franch. subsp. haematodes 
羊毛杜鹃Rhododendron mallotum Balf.f. & Kingdon-Ward 
短蕊杜鹃Rhododendron microgynum Balf.f. & Forrest 
火红杜鹃Rhododendron neriiflorum Franch. 
盘萼杜鹃Rhododendron parmulatum Cowan 
察隅杜鹃Rhododendron piercei Davidian 
杯萼杜鹃Rhododendron pocophorum Balf.f. ex Tagg 
腺柄杯萼杜鹃（变种）Rhododendron pocophorum Balf.f. ex Tagg var. hemidartum (Balf.f. ex Tagg) D. F. Chamb. 
杯萼杜鹃（原变种）Rhododendron pocophorum Balf.f. ex Tagg var. pocophorum 
血红杜鹃Rhododendron sanguineum Franch. 
纯红杜鹃Rhododendron sperabile Balf.f. & Farrer 
纯红杜鹃（原变种）Rhododendron sperabile Balf.f. & Farrer var. sperabile 
维西纯红杜鹃（变种）Rhododendron sperabile Balf.f. & Farrer var. weihsiense Tagg & Forrest 
糠秕杜鹃Rhododendron sperabiloides Tagg & Forrest 
滇藏杜鹃Rhododendron temenium Balf.f. & Forrest 
粉红滇藏杜鹃（变种）Rhododendron temenium Balf.f. & Forrest var. dealbatum (Cowan) D. F. Chamb. 
黄花滇藏杜鹃（变种）Rhododendron temenium Balf.f. & Forrest var. gilvum (Cowan) D. F. Chamb. 
滇藏杜鹃（原变种）Rhododendron temenium Balf.f. & Forrest var. temenium 
朗贡杜鹃Rhododendron trilectorum Cowan[1]