棕毛杜鹃

灌木，枝纤细，圆柱形，幼枝淡紫色，密被棕褐色糙伏毛，老枝灰褐色或深褐色，无毛。叶厚纸质，披针形或椭圆状披针形，长1.8-4.5厘米，宽0.7-1.8厘米，先端锐尖，基部楔形或近于圆形，边缘微反卷，被糙伏毛，上面淡紫褐色，初时疏生糙伏毛，后仅沿中脉被糙伏毛，下面淡黄褐色，疏被棕褐色糙伏毛，中脉和侧脉在上面微凹陷，下面凸起，常未达叶缘匿失不见；叶柄长达4毫米，密被锈色糙伏毛。伞形花序具花4-7朵；花梗长3毫米，密被淡黄棕褐色绢状糙伏毛；花萼裂片小，被锈色糙伏毛；花冠漏斗状钟形，粉红色，长1-1.2厘米，花冠管圆筒状，长5毫米，基径2-3毫米，外面被棕褐色腺毛，内面被微柔毛，裂片5，长卵形，长6-7毫米，宽2-3毫米，具紫色斑点，两面无毛；雄蕊5，不等长，长1.2-1.6厘米，伸出花冠外，花丝扁平，中部以下被微柔 毛；子房卵球形，长3毫米，密被锈色糙伏毛，花柱长1.3厘米，几乎全部被锈色糙伏毛，柱头头状，稀5裂。果未见，花期5月。

产于广西东部。

腺花杜鹃Rhododendron adenanthum M. Y. He

大关杜鹃Rhododendron atrovirens Franch.

短鳞芽杜鹃Rhododendron breviperulatum Hayata

金萼杜鹃Rhododendron chrysocalyx H. Lév. & Vant.

金萼杜鹃（原变种）Rhododendron chrysocalyx H. Lév. & Vant. var. chrysocalyx

秀山金萼杜鹃（变种）Rhododendron chrysocalyx H. Lév. & Vant. var. xiushanense (Fang) M. Y. He

龙山杜鹃Rhododendron chunii Fang

棒柱杜鹃Rhododendron crassimedium P. C. Tam

粗柱杜鹃Rhododendron crassistylum M. Y. He

白枝杜鹃Rhododendron cretaceum P. C. Tam

龙岩杜鹃Rhododendron florulentum P. C. Tam

子花杜鹃Rhododendron flosculum Fang & G. Z. Li

河边杜鹃Rhododendron flumineum Fang & M. Y. He

贵定杜鹃Rhododendron fuchsiifolium H. Lév.

腺柱杜鹃Rhododendron glandulostylum Fang & M. Y. He

海南杜鹃Rhododendron hainanense Merr.

合江杜鹃Rhododendron hejiangense M. Y. He

湖南杜鹃Rhododendron hunanense Chun ex P. C. Tam

背绒杜鹃Rhododendron hypoblematosum P. C. Tam

皋月杜鹃Rhododendron indicum (L.) Sweet

素馨杜鹃Rhododendron jasminoides M. Y. He

金平杜鹃Rhododendron jinpingense Fang & M. Y. He

金秀杜鹃Rhododendron jinxiuense Fang & M. Y. He

台北杜鹃Rhododendron kanehirae E. H. Wils.

广西杜鹃Rhododendron kwangsiense Hu ex P. C. Tam

广西杜鹃〔原变种）Rhododendron kwangsiense Hu ex P. C. Tam var. kwangsiense

钝圆杜鹃（变种）Rhododendron kwangsiense Hu ex P. C. Tam var. obovatifolium P. C. Tam

广东杜鹃Rhododendron kwangtungense Merr. & Chun

毛花柱杜鹃Rhododendron lasiostylum Hayata

荔叶杜鹃Rhododendron litchiifolium T. C. Wu & P. C. Tam

长尖杜鹃Rhododendron longifalcatum P. C. Tam

长鳞芽杜鹃Rhododendron longiperulatum Hayata

忍冬杜鹃Rhododendron loniceriflorum P. C. Tam

麻栗坡杜鹃Rhododendron malipoense M. Y. He

岭南杜鹃Rhododendron mariae Hance

南边杜鹃Rhododendron meridionale P. C. Tam

南边杜鹃（原变种）Rhododendron meridionale P. C. Tam var. meridionale

狭叶南边杜鹃（变种）Rhododendron meridionale P. C. Tam var. minus P. C. Tam

糙柱杜鹃（变种）Rhododendron meridionale P. C. Tam var. setistylum P. C. Tam

亮毛杜鹃Rhododendron microphyton Franch.

亮毛杜鹃（原变种）Rhododendron microphyton Franch. var. microphyton

碧江亮毛杜鹃（变种）Rhododendron microphyton Franch. var. trichanthum A. L. Chang ex R. C. Fang

小花杜鹃Rhododendron minutiflorum Hu

白花杜鹃Rhododendron mucronatum (Bl.) G. Don

铁仔叶杜鹃Rhododendron myrsinifolium Ching ex Fang & M. Y. He

南昆杜鹃Rhododendron naamkwanense Merr.

紫薇春（变种）Rhododendron naamkwanense Merr. var. cryptonerve P. C. Tam

南昆杜鹃（原变种）Rhododendron naamkwanense Merr. var. naamkwanense

那克哈杜鹃Rhododendron nakaharae Hayata

南平杜鹃Rhododendron nanpingense P. C. Tam

钝叶杜鹃Rhododendron obtusum (Lindl.) Planch.

八蕊杜鹃Rhododendron octandrum M. Y. He

砖红杜鹃Rhododendron oldhamii Maxim.

千针叶杜鹃Rhododendron polyraphidoideum P. C. Tam

岭上杜鹃（变种）Rhododendron polyraphidoideum P. C. Tam var. montanum P. C. Tam

千针叶杜鹃（原变种）Rhododendron polyraphidoideum P. C. Tam var. polyraphidoideu

美艳杜鹃Rhododendron pulchroides Chun & Fang

锦绣杜鹃Rhododendron pulchrum Sweet

黔阳杜鹃Rhododendron qianyangense M. Y. He

淡红杜鹃Rhododendron rhodanthum M. Y. He

乳源杜鹃Rhododendron rhuyuenense Chun ex P. C. Tam

溪畔杜鹃Rhododendron rivulare Hand.-Mazz.

台红毛杜鹃Rhododendron rubropilosum Hayata

滇红毛杜鹃Rhododendron rufohirtum Hand.-Mazz.

茶绒杜鹃Rhododendron rufulum P. C. Tam

崖壁杜鹃Rhododendron saxatile B. Y. Ding & Y. Y. Fang

毛果杜鹃Rhododendron seniavinii Maxim.

杜鹃Rhododendron simsii Planch.

蔗黄杜鹃Rhododendron spadiceum P. C. Tam

川南杜鹃Rhododendron sparsifolium Fang

腊黄杜鹃Rhododendron subcerinum P. C. Tam

隐脉杜鹃Rhododendron subenerve P. C. Tam

涧上杜鹃Rhododendron subflumineum P. C. Tam

大埔杜鹃Rhododendron taipaoense T. C. Wu & P. C. Tam

细瘦杜鹃Rhododendron tenue Ching ex Fang & M. Y. He

薄片杜鹃Rhododendron tenuilaminare P. C. Tam

鼎湖杜鹃Rhododendron tingwuense P. C. Tam

两广杜鹃Rhododendron tsoi Merr.

垂钩杜鹃Rhododendron unciferum P. C. Tam

粘质杜鹃Rhododendron viscidum C. Z. Guo & Z. H. Liu

粘芽杜鹃Rhododendron viscigemmatum P. C. Tam

阳明山杜鹃Rhododendron yangmingshanense P. C. Tam

瑶山杜鹃Rhododendron yaoshanicum Fang & M. Y. He ^[1]

该种与腺花杜鹃（R. adenanthum M. Y. He ）相近，但该种的叶下面疏生棕褐色糙伏毛；花柱几乎全部被锈色糙伏毛，易于区别。

本种与腺花杜鹃R．Adenanthum M．Y．He相近，但本种的叶下面疏生棕褐色糙伏 毛，花柱几乎全部被锈色糙伏毛，易于区别^[2]。