本种在于叶片线形或线状披针形,较窄,长4—7厘米, 宽0.5—1 厘米,边缘极度反卷,花较小,花冠长1—1.5厘米,裂片不等大,花期6—7月,果期 8月。[1]
产云南西北部,生于海拔3 700—4 200米的高山石坡杜鹃灌丛中,模式标本采自云南维西。[1]
线形卷叶杜鹃腺房杜鹃Rhododendron adenogynum Diels
雪山杜鹃Rhododendron aganniphum Balf.f. & Kingdon-Ward
雪山杜鹃(原变种)Rhododendron aganniphum Balf.f. & Kingdon-Ward var. aganniphum
黄毛雪山杜鹃(变种)Rhododendron aganniphum Balf.f. & Kingdon-Ward var. flavorufum (Balf.f. & Forrest) D. F. Chamb.
裂毛雪山杜鹃(变种)Rhododendron aganniphum Balf.f. & Kingdon-Ward var. schizopeplum (Balf.f. & Forrest) Ming
棕背杜鹃Rhododendron alutaceum Balf.f. & W. W. Sm.
棕背杜鹃(原变种)Rhododendron alutaceum Balf.f. & W. W. Sm. var. alutaceum
毛枝棕背杜鹃(变种)Rhododendron alutaceum Balf.f. & W. W. Sm. var. iodes (Balf.f. & Forrest) D. F. Chamb.
腺房棕背杜鹃(变种)Rhododendron alutaceum Balf.f. & W. W. Sm. var. russotinctum (Balf.f. & Forrest) D. F. Chamb.
巴朗杜鹃Rhododendron balangense Fang
粉钟杜鹃Rhododendron balfourianum Diels
白毛粉钟杜鹃(变种)Rhododendron balfourianum Diels var. aganniphoides Tagg & Forrest
粉钟杜鹃(原变种)Rhododendron balfourianum Diels var. balfourianum
马尔康杜鹃Rhododendron barkamense D. F. Chamb.
多叶杜鹃Rhododendron bathyphyllum Balf.f. & Forrest
宽钟杜鹃Rhododendron beesianum Diels
锈红杜鹃Rhododendron bureavii Franch.
麻点杜鹃Rhododendron clementinae Forrest
金背杜鹃(亚种)Rhododendron clementinae Forrest subsp. aureodorsale Fang
麻点杜鹃(原亚种)Rhododendron clementinae Forrest subsp. clementinae
腺蕊杜鹃Rhododendron codonanthum Balf.f. & Forrest
粗脉杜鹃Rhododendron coeloneurum Diels
砾石杜鹃Rhododendron comisteum Balf.f. & Forrest
丹巴杜鹃Rhododendron danbaense L. C. Hu
干净杜鹃Rhododendron detersile Franch.
落毛杜鹃Rhododendron detonsum Balf.f. & Forrest
疏毛杜鹃Rhododendron dignabile Cowan
灌丛杜鹃Rhododendron dumicola Tagg & Forrest
金江杜鹃Rhododendron elegantulum Tagg & Forrest
金顶杜鹃Rhododendron faberi Hemsl.
金顶杜鹃(原亚种)Rhododendron faberi Hemsl. subsp. faberi
大叶金顶杜鹃(亚种)Rhododendron faberi Hemsl. subsp. prattii (Franch.) D. F. Chamb.
短尖杜鹃Rhododendron inopinum Balf.f.
乳黄杜鹃Rhododendron lacteum Franch.
鲁浪杜鹃Rhododendron lulangense L. C. Hu & Tateishi
鲁浪杜鹃Rhododendron lulangense L. C. Hu et Y. Tateishi
优异杜鹃Rhododendron mimetes Tagg & Forrest
山地杜鹃Rhododendron montiganum Ming
德钦杜鹃Rhododendron nakotiltum Balf.f. & Forrest
大炮山杜鹃Rhododendron nigroglandulosum Nitz.
奇异杜鹃Rhododendron paradoxum Balf.f.
栎叶杜鹃 (原变种)Rhododendron phaeochrysum Balf. f. et W. W. Smith var. phaeochrysum
栎叶杜鹃Rhododendron phaeochrysum Balf.f. & W. W. Sm.
凝毛杜鹃(变种)Rhododendron phaeochrysum Balf.f. & W. W. Sm. var. agglutinatum (Balf.f. & Forrest) D. F. Chamb.
毡毛栎叶杜鹃(变种)Rhododendron phaeochrysum Balf.f. & W. W. Sm. var. levistratum (Balf.f. & Forrest) D. F. Chamb.
栎叶杜鹃(原变种)Rhododendron phaeochrysum Balf.f. & W. W. Sm. var. phaeochrysum
波密杜鹃Rhododendron pomense Cowan & Davidian
甘肃杜鹃Rhododendron potaninii Batal.
藏南杜鹃Rhododendron principis Bur. & Franch.
平卧杜鹃Rhododendron pronum Tagg & Forrest
矮生杜鹃Rhododendron proteoides Balf.f. & W. W. Sm.
陇蜀杜鹃Rhododendron przewalskii Maxim.
毛脉杜鹃Rhododendron pubicostatum Ming
普格杜鹃Rhododendron pugeense L. C. Hu
斑叶杜鹃Rhododendron punctifolium L. C. Hu
太白杜鹃Rhododendron purdomii Rehd. & E. H. Wils.
卷叶杜鹃Rhododendron roxieanum Forrest
兜尖卷叶杜鹃(变种)Rhododendron roxieanum Forrest var. cucullatum (Hand.-Mazz.) D. F. Chamb.
卷叶杜鹃(原变种)Rhododendron roxieanum Forrest var. roxieanum
巫山杜鹃Rhododendron roxieoides D. F. Chamb.
黄毛杜鹃Rhododendron rufum Batal.
都支杜鹃Rhododendron shanii Fang
裂毛杜鹃Rhododendron simulans (Tagg & Forrest) D. F. Chamb.
宽叶杜鹃Rhododendron sphaeroblastum Balf.f. & Forrest
宽叶杜鹃(原变种)Rhododendron sphaeroblastum Balf.f. & Forrest var. sphaeroblastum
乌蒙宽叶杜鹃(变种)Rhododendron sphaeroblastum Balf.f. & Forrest var. wumengense Feng
大理杜鹃Rhododendron taliense Franch.
曲枝杜鹃Rhododendron torquatum L. C. Hu
川滇杜鹃Rhododendron traillianum Forrest & W. W. Sm.
棕背川滇杜鹃(变种)Rhododendron traillianum Forrest & W. W. Sm. var. dictyotum (Balf.f. ex Tagg) D. F. Chamb.
川滇杜鹃(原变种)Rhododendron traillianum Forrest & W. W. Sm. var. traillianum
理县杜鹃Rhododendron trichogynum L. C. Hu
白毛杜鹃Rhododendron vellereum Hutch. ex Tagg
褐毛杜鹃Rhododendron wasonii Hemsl. & E. H. Wils.
褐毛杜鹃(原变种)Rhododendron wasonii Hemsl. & E. H. Wils. var. wasonii
汶川褐色杜鹃(变种)Rhododendron wasonii Hemsl. & E. H. Wils. var. wenchuanense L. C. Hu
宏钟杜鹃Rhododendron wightii Hook.f.
皱皮杜鹃Rhododendron wiltonii Hemsl. & E. H. Wils.
中甸杜鹃Rhododendron zhongdianense L. C. Hu [2]
Rhododendron roxieanum Forrest var. oreonastes (Dalf.F. Et Forrest) T.L Ming in Act.Bot.Yunn.6:1 66. 1984;云南植物志4:427. 1986,——R.Recurnum Balf.f.Et Forrest var. oreanastes Balf.F. Et Forrest in Not. Bot. Gard Edinb.11:113.1919;Tagg in Stevenson,Spec.Rhodod.666.1930.——R.Rox- teanum non Franch.:Chamb. Ex Cullen et Chamb, in Not. Bot. Gard. Edinb. 36:119.1978,pro parte et Chamb.In Not.Bot.Gard.Edinb.39:344. 1982,pro parte quoad syn. R. Recurvum Balf.F. Et Forrest var. Oreonastes Balf.F. et Forrest.[1]
灌木或小乔木,幼枝无毛或被密毛,有时还有具柄腺体,成叶上面无毛,通常平滑,稀成泡状皱纹,下面有一层或两层毛被,由分枝毛,放射状毛或簇状毛组成,通常厚,绵 毛状或毡毛状,锈红色、黄褐色至黄色,稀白色,但有时毛被稀疏甚至无毛。花亭通常密 集,有花5—20朵,总轴缩短;花萼杯状,小或大,花冠质薄,5(--7)裂,钟形或漏斗 状钟形,白色。粉红色至蔷薇色或黄色,常具明显的斑点;雄蕊10(--14);子房无毛或 被毛或具腺体和柔毛或仪具腺体,花柱无毛,稀具腺体。 本亚组的模式种:大理杜鹃R.Taliense Franch. 本亚组共54种,5亚种,11变种,我同全有。集中分布于西南部、四川、云南、西 藏,向北分布达于陕西、甘肃、青海, 个别补经贵州而分布于安徽,1种向南分布于缅 甸。另1种分布于不丹、锡金和尼泊尔。[1]
主要分布于北半球,亚洲东南部,少数种类分布于欧洲及北美洲。 我国有251种,多集中分布于西南部,少数种类向东分布至台湾;在我国西南部山区,海 拔2 000—3 500米的中山地带,常有纯杜鹃林分布,在贵州西部、黔西、大方及毕节三 县,更是杜鹃林连成一片,绵延百余里,成为我国特有而著名的“百里杜鹃林”.每当春末 夏初,各种杜鹃花争相开放,千姿百态,色彩缤粉,汇成花海,持续达一月之久,景色十 分壮观。组的模式种:Rhodendron ponticum Linn.本组的杜鹃花、叶常绿,花形较大,色彩艳丽,是世界著名的观赏花卉,各国已广泛引种栽培,尤以英国、美国、加拿大和澳大利亚等国最为普遍。我国的庐山植物园、四川灌县的华西树木保护中心、昆明植物园及杭州植物园栽培较多,有一定规模。此外,其木材细密可以用于制造器具及精细雕刻。[1]