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瑶山杜鹃

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'''瑶山杜鹃'''

[[File:瑶山杜鹃1.jpg|缩略图|左|瑶山杜鹃[https://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%91%B6%E5%B1%B1%E6%9D%9C%E9%B9%83%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=1422501353,380632857&os=3766794477,1438951489&simid=27154806,960720452&pn=1&rn=1&di=27730&ln=454&fr=&fmq=1598344858622_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=15&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Ftimg01.bdimg.com%2Ftimg%3Fpacompress%26imgtype%3D1%26sec%3D1439619614%26autorotate%3D1%26di%3Dc7305477e2d16972d073c011f581047f%26quality%3D90%26size%3Db870_10000%26src%3Dhttp%3A%2F%2Fbos.nj.bpc.baidu.com%2Fv1%2Fmediaspot%2F707f6bce57698&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图连接][https://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%91%B6%E5%B1%B1%E6%9D%9C%E9%B9%83%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=1422501353,380632857&os=3766794477,1438951489&simid=27154806,960720452&pn=1&rn=1&di=27730&ln=454&fr=&fmq=1598344858622_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=15&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Ftimg01.bdimg.com%2Ftimg%3Fpacompress%26imgtype%3D1%26sec%3D1439619614%26autorotate%3D1%26di%3Dc7305477e2d16972d073c011f581047f%26quality%3D90%26size%3Db870_10000%26src%3Dhttp%3A%2F%2Fbos.nj.bpc.baidu.com%2Fv1%2Fmediaspot%2F707f6bce57698&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]
瑶山杜鹃([[学名:Rhododendron yaoshanicum]]),杜鹃属。小灌木;小枝纤细,密被腺头刚毛;老枝灰色或灰褐色,近于无毛。

产[[中国广西中部]]和[[东部]]。生于密林中。因其花长的美丽,具有栽培和园艺价值。

(概述图参考资料来源: <ref>[https://baike.baidu.com/reference/8881968/6ab3ScGnBsc8akLpyGnGw2LldgcjNlbdtVY-PHFTQiEgvHlf9lIrZxwOYygV78mqFEGQNnkMn5xQJVE-7eb2Za_XFru_pmbdrGsTE0BIOyvaxSpHsXxO_RokvcH9jw | 新华网,引用日期2014-10-15] </ref> )

==形态特征==

小灌木;小枝纤细,密被腺头刚毛;老枝灰色或灰褐色,近于无毛。

叶薄纸质,散生,长圆形或长圆状披针形,长10-18厘米,稀达20厘米,宽3-6(-8)厘米,先端渐尖,具短尖头,基部近于圆形或微偏斜,边缘全缘,散生短刚毛,上面暗绿色,近于无毛,下面灰白色,干后灰褐色,疏被短刚毛;中脉在上面微下凹,下面显著凸起,侧脉15-17对,仅下面显著,未达边缘隐匿不现;叶柄长7-17毫米,密被棕褐色刚毛。

伞形花序顶生,有花10-15朵;花梗长达1.2厘米,密被棕褐色短刚毛,花萼5裂,裂片三角状卵形,外面及边缘被棕褐色刚毛;花冠漏斗状钟形,红色,长1.2-1.4厘米,直径1厘米,花冠管圆筒状,长6-7毫米,径3.5-4毫米,两面均无毛,向上逐渐扩大,裂片5,椭圆形或倒卵形,顶端钝,开展,长7毫米,宽3-4毫米;雄蕊5,等长,长2.2厘米,伸出花冠外,花丝扁平,无毛,花药长圆形,长3毫米;子房卵球形,长2.5毫米,密被棕褐色短刚毛,花柱长约2.4厘米,比雄蕊长,淡紫色,初时中部以下具开展的短柄腺体,后具腺头毛。

蒴果长圆柱形或长圆状卵球形,长5-7毫米,密被短刚毛。花萼及花柱均宿存。花期5月,果期9月。 <ref>[https://baike.baidu.com/reference/8881968/5ac7zdCVMvnOt3NJIIn0xLW6XgOlKdFEluBDzhL48qkMhidC2nn1er0QGaWHnzveXuHZMedgOi_Isu54LxrKvWp2mE0P3pLkG9p_efOSxBPV-vBKFrVA_dNJMcd5IKmVrKBJXEwgulDQ | 中国植物物种信息数据库,引用日期2012-10-18] </ref>
[[File:瑶山杜鹃2.jpg|缩略图|瑶山杜鹃[https://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%91%B6%E5%B1%B1%E6%9D%9C%E9%B9%83%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=3116287649,1303813738&os=642795310,1648989494&simid=3458976874,434110409&pn=2&rn=1&di=47300&ln=454&fr=&fmq=1598344858622_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fphoto.qdn.cn%2Fuploadfile%2F2015%2F0428%2F20150428113341683.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图连接][https://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%91%B6%E5%B1%B1%E6%9D%9C%E9%B9%83%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=3116287649,1303813738&os=642795310,1648989494&simid=3458976874,434110409&pn=2&rn=1&di=47300&ln=454&fr=&fmq=1598344858622_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fphoto.qdn.cn%2Fuploadfile%2F2015%2F0428%2F20150428113341683.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]

==产地分布==

[[中国广西中部]]和[[东部]]。 <ref>[https://baike.baidu.com/reference/8881968/eafcbXk27TA5cNORz0RWv1-STJCL0QbN5P61FwQ6W7NCQPCQ4CG0fBV5Z05-YGATv5ywI-I5HvefVCInTlGtFPzi7TH2T0c | 植物智,引用日期2019-12-19] </ref>

==生长习性==

[[File:瑶山杜鹃3.jpg|缩略图|左|瑶山杜鹃[https://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%91%B6%E5%B1%B1%E6%9D%9C%E9%B9%83%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=426495933,2772180861&os=3078905643,1742745447&simid=0,0&pn=9&rn=1&di=46870&ln=454&fr=&fmq=1598344858622_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=15&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fimg.mp.itc.cn%2Fq_70%2Cc_zoom%2Cw_640%2Fupload%2F20160512%2Fe88c223ec2c44464820d9a5f8b18d898_th.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图连接][https://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%91%B6%E5%B1%B1%E6%9D%9C%E9%B9%83%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=426495933,2772180861&os=3078905643,1742745447&simid=0,0&pn=9&rn=1&di=46870&ln=454&fr=&fmq=1598344858622_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=15&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fimg.mp.itc.cn%2Fq_70%2Cc_zoom%2Cw_640%2Fupload%2F20160512%2Fe88c223ec2c44464820d9a5f8b18d898_th.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]
生于密林中。喜凉爽湿润的气候,恶酷热干燥。要求富含腐殖质、疏松、湿润及pH在5.5-6.5之间的酸性土壤。部分种及园艺品种的适应性较强,耐干旱,瘠薄,土壤pH在7-8之间也能生长。但在粘重或通透性差的土壤上,生长不良。杜鹃花对光有一定要求,但不耐曝晒,夏秋应有落叶乔木或荫棚遮挡烈日,并经常以水喷洒地面。杜鹃花抽梢一般在春秋二季,以春梢为主。最适宜的生长温度为15-20℃,3-5月开花,杜鹃花耐修剪。一般在5月前进行修剪,所发新梢,当年均能形成花蕾,过晚则影响开花。

==繁殖方式==

===扦插===

扦插繁殖是杜鹃花栽培中应用最多的繁殖方法,一般在5-6月份剪取健壮的半木质化的新枝,长约5-8厘米,剪除下部叶片,保留顶叶2-3片作插穗,插穗基部最好用吲哚丁酸或ABT生根粉等溶液浸蘸处理,然后扦插在疏松透气、富含腐植质的酸性土壤中,温度保持在20-25℃,遮阴并经常喷雾保湿,以促进萌发新根。

===嫩枝===

嫩枝繁殖是用劈接对于难以成活的名贵品种如西鹃等,先剪去嫩枝约3-4厘米作接穗,将基部用利刀削成楔形,用毛鹃作砧木,采用嫩枝劈接,然后置阴棚下用塑料薄膜绑扎,并用塑料袋将接穗和砧木一起罩住保湿。 <ref>[https://baike.baidu.com/reference/8881968/e5a8CMgVXMWtSfJxR_JFi9b2JIQqljssg-wCoPo7RUdiUBXjjCBMXnXttb4522Yvz4zs9k9qe0TszVyWEMWrsCIoz90ZPU35N7k | 广西农业信息网,引用日期2014-10-12] </ref>
[[File:瑶山杜鹃4.jpg|缩略图|瑶山杜鹃[https://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%91%B6%E5%B1%B1%E6%9D%9C%E9%B9%83%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=397840037,3347585249&os=3549271056,2489980454&simid=3455237037,482786827&pn=13&rn=1&di=58080&ln=454&fr=&fmq=1598344858622_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fimg8.zol.com.cn%2Fbbs%2Fupload%2F18293%2F18292925.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图连接][https://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%91%B6%E5%B1%B1%E6%9D%9C%E9%B9%83%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=397840037,3347585249&os=3549271056,2489980454&simid=3455237037,482786827&pn=13&rn=1&di=58080&ln=454&fr=&fmq=1598344858622_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fimg8.zol.com.cn%2Fbbs%2Fupload%2F18293%2F18292925.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]

==主要价值==

杜鹃枝繁叶茂,萌发力强,耐修剪,根桩奇特,是优良的盆景材料。

园林中最宜在林缘、溪边、池畔及岩石旁成丛成片栽植,也可于疏林下散植,是花篱的良好材料,可经修剪培育成各种形态。

花季中绽放给人热闹而喧腾的感觉,不是花季,深绿色的叶片可栽种在庭园中做为矮墙或屏障。

==近种提示==

[[File:瑶山杜鹃5.jpg|缩略图|左|瑶山杜鹃[https://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%91%B6%E5%B1%B1%E6%9D%9C%E9%B9%83%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=2006016711,1105627922&os=3850315838,2009717622&simid=3487966067,395002616&pn=5&rn=1&di=28160&ln=454&fr=&fmq=1598344858622_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fs8.sinaimg.cn%2Fmw690%2F001kY777gy6I6HxX1JR77%26690&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图连接][https://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%91%B6%E5%B1%B1%E6%9D%9C%E9%B9%83%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=2006016711,1105627922&os=3850315838,2009717622&simid=3487966067,395002616&pn=5&rn=1&di=28160&ln=454&fr=&fmq=1598344858622_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fs8.sinaimg.cn%2Fmw690%2F001kY777gy6I6HxX1JR77%26690&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]
该种与金秀杜鹃R.Jinxiuense Fang et M.Y.He相近,但该种的叶纸质,较大,长达20厘米,雄蕊5,等长,花丝无毛,花柱中部以下有开展的短柄腺体,易于区别。

==参考文献==
{{Reflist}}
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