优美杜鹃

常绿灌木，高约1.3米，幼枝与花同时生出，紫色，有少数疏鳞片，叶革质，宽椭圆形，长5-6厘米，宽3-3.5厘米，顶端钝圆，有小凸尖，基部圆，上面光滑，下面灰绿色，有鳞片，相距等于其直径的2-3倍，一型；叶柄长8-10毫米，上面紫色，有纵沟，沟边有鳞片。顶生伞形花序疏松，有花8-10朵，总轴极短，无毛；花梗长约3厘米，淡紫色，仅向顶端有少数鳞片；花萼短，波状浅裂，背面有少数疏鳞片，但边缘密生鳞片，花冠宽漏斗状，微粉红色，无斑点，5裂，外面无鳞片，花冠筒长约2厘米，裂片长3厘米，雄蕊10，花丝下部有毛；子房有密鳞片，花柱无毛^[1]。

生林中^[1]。

蝶花杜鹃Rhododendron aberconwayi Cowan

迷人杜鹃Rhododendron agastum Balf. f. et W. W. Smith

迷人杜鹃Rhododendron agastum Balf.f. & W. W. Sm.

迷人杜鹃（原变种）Rhododendron agastum Balf.f. & W. W. Sm. var. agastum

光柱迷人杜鹃（变种）Rhododendron agastum Balf.f. & W. W. Sm. var. pennivenium (Balf.f. & Forrest) Ming

桃叶杜鹃Rhododendron annae Franch.

桃叶杜鹃（原亚种）Rhododendron annae Franch. subsp. annae

滇西桃叶杜鹃（亚种）Rhododendron annae Franch. subsp. laxiflorum (Balf.f. & Forrest) Ming

团花杜鹃Rhododendron anthosphaerum Diels

窄叶杜鹃Rhododendron araiophyllum Balf.f. & W. W. Sm.

窄叶杜鹃（原亚种）Rhododendron araiophyllum Balf.f. & W. W. Sm. subsp. araiophyllum

石生杜鹃（亚种）Rhododendron araiophyllum Balf.f. & W. W. Sm. subsp. lapidosum (Ming) Fang f.

短脉杜鹃Rhododendron brevinerve Chun & Fang

苍山杜鹃Rhododendron dimitrum Balf.f. & Forrest

贡山杜鹃Rhododendron gongshanense Ming

贵州杜鹃Rhododendron guizhouense Fang f.

露珠杜鹃Rhododendron irroratum Franch.

露珠杜鹃（原亚种）Rhododendron irroratum Franch. subsp. irroratum

红花露珠杜鹃 (亚种)Rhododendron irroratum Franch. subsp. pogonostylum (Balf. f. et W. W. Smith) Chamb. ex Cullen et Chamb.

红花露珠杜鹃（亚种）Rhododendron irroratum Franch. subsp. pogonostylum (Balf.f. & W. W. Sm.) D. F. Chamb.

多斑杜鹃Rhododendron kendrickii Nutt.

老君山杜鹃Rhododendron laojunshanense Fang f.

腺绒杜鹃Rhododendron leptopeplum Balf.f. & Forrest

蜡叶杜鹃Rhododendron lukiangense Franch.

蒙自杜鹃Rhododendron mengtszense Balf.f. & W. W. Sm.

乳突杜鹃Rhododendron papillatum Balf.f. & R. E. Cooper

屏边杜鹃Rhododendron pingbianense Fang f.

川西杜鹃Rhododendron sikangense Fang

相关的变种有：

桃叶杜鹃Rhododendron annae Franch.

红花露珠杜鹃 (亚种)Rhododendron irroratum Franch. subsp. pogonostylum (Balf. f. et W. W. Smith) Chamb. ex Cullen et Chamb.

川西杜鹃（原变种）Rhododendron sikangense Fang var. sikangense

红花杜鹃Rhododendron spanotrichum Balf.f. & W. W. Sm.

光柱杜鹃Rhododendron tanastylum Balf.f. & Kingdon-Ward

林芝杜鹃（变种）Rhododendron tanastylum Balf.f. & Kingdon-Ward var. lingzhiense Fang f.

光柱杜鹃（原变种）Rhododendron tanastylum Balf.f. & Kingdon-Ward var. tanastylum ^[2]

Rhododendron sikangense Fang var．Exquistum (T．L．Ming) T.L. Ming in Act Bot Yunn．6：165．1984：^[1]