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'''白皮柳'''

[[File:白皮柳2.jpg|缩略图|左|白皮柳[http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%99%BD%E7%9A%AE%E6%9F%B3%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=2441271260,411374434&os=4211997328,2810414599&simid=3435543599,194911120&pn=13&rn=1&di=990&ln=473&fr=&fmq=1593430855038_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%2Fcbu01.alicdn.com%2Fimg%2Fibank%2F2016%2F217%2F551%2F2735155712_1276489142.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图链接][http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%99%BD%E7%9A%AE%E6%9F%B3%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=2441271260,411374434&os=4211997328,2810414599&simid=3435543599,194911120&pn=13&rn=1&di=990&ln=473&fr=&fmq=1593430855038_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%2Fcbu01.alicdn.com%2Fimg%2Fibank%2F2016%2F217%2F551%2F2735155712_1276489142.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]
本词条由“[[科普中国]]”科学百科词条编写与应用工作项目 审核 。

白皮柳为乔木或灌木,高3-8米。白皮柳子房无柄;叶阔披针形,边缘锯齿密而弯曲;灌木或小乔木。

树皮暗灰黄色或灰褐色;小枝褐色、灰绿色或灰黄色,幼时有白柔毛,后无毛;芽小,卵形,先端锐尖,红褐色,有短柔毛。

==形态特征==

托叶小,披针形,边缘有锯齿,叶柄短,长2-5毫米,有柔毛;叶片披针形或披针状长圆形,中部以下较宽,长8-12厘米,宽2-3厘米,基部楔形或广楔形,先端长渐尖,表面绿色,无毛,背面苍白色,无毛,或沿脉有柔毛,幼时密生柔毛,边缘有细锯齿。
[[File:白皮柳3.jpg|缩略图|白皮柳[http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%99%BD%E7%9A%AE%E6%9F%B3%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=1997123954,685074916&os=1301103039,3971780306&simid=4082939799,657371888&pn=18&rn=1&di=2750&ln=473&fr=&fmq=1593430855038_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%2Fwww.yuanlin365.com%2Fuploadfile%2Fproduct%2F53801%2F2012-2%2F2012222170853.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图链接][http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%99%BD%E7%9A%AE%E6%9F%B3%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=1997123954,685074916&os=1301103039,3971780306&simid=4082939799,657371888&pn=18&rn=1&di=2750&ln=473&fr=&fmq=1593430855038_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%2Fwww.yuanlin365.com%2Fuploadfile%2Fproduct%2F53801%2F2012-2%2F2012222170853.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]

花序先于叶开放或与叶同时开放,无梗,有小叶;雄花序长2.5厘米,粗5毫米,雄蕊2,花丝合生为1,下部有短柔毛,约为苞片长的2倍,花药紫色,苞片倒卵形或长卵形,有毛,腹腺1;雌花序椭圆状长圆形,长0.8-1.8厘米,粗5-7毫米,子房无柄,广卵形或近球形,长1-1.5毫米,有绒毛,花柱短,柱头4裂,苞片同雄花,带褐色,有短柔毛,腹腺1。花期4月,果期5月。

==分布==

[[File:白皮柳4.jpg|缩略图|左|白皮柳[http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%99%BD%E7%9A%AE%E6%9F%B3%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=3387193478,3240249701&os=1421044522,3048773094&simid=4148681051,846245870&pn=33&rn=1&di=38170&ln=473&fr=&fmq=1593430855038_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%2Fs5.sinaimg.cn%2Fmw690%2F0062Ad5kzy76Crwv4os24%26690&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图链接][http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%99%BD%E7%9A%AE%E6%9F%B3%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=3387193478,3240249701&os=1421044522,3048773094&simid=4148681051,846245870&pn=33&rn=1&di=38170&ln=473&fr=&fmq=1593430855038_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%2Fs5.sinaimg.cn%2Fmw690%2F0062Ad5kzy76Crwv4os24%26690&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]
产于[[张广才岭山区]],[[平原地区有栽培]]。[[我国吉林]]、[[辽宁]]有分布,[[原苏联远东地区]]、[[日本]]也有分布 。<ref>[周以良主编,黑龙江省植物志 第四卷,东北林业大学出版社,1992.9,第89页]</ref>

==生境及繁殖法==

喜光,亦耐弱度庇荫,适应性强,较耐寒,耐旱,但在干旱岗地上生长缓慢,;也耐水湿,但生长在长期积水的地方,常枯梢;适生于排水良好的湿润砂质土壤上;多见于林区水边或山坡林缘。生长迅速,容易成活。相当耐寒。用种子或插条繁殖,18年生树高可达13-15m,胸径达30cm左右 。
[[File:白皮柳6.jpg|缩略图|左|白皮柳[http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%99%BD%E7%9A%AE%E6%9F%B3%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=167990514,431132892&os=2782900364,2271672506&simid=3440772261,420505599&pn=20&rn=1&di=6490&ln=473&fr=&fmq=1593430855038_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%2Ff.hiphotos.baidu.com%2Fbaike%2Fc0%253Dbaike60%252C5%252C5%252C60%252C20%2Fsign%3Defb373b7c995d143ce7bec711299e967%2F023b5bb5c9ea15ce9bc77fbdb7003af33a87b25d.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图链接][http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%99%BD%E7%9A%AE%E6%9F%B3%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=167990514,431132892&os=2782900364,2271672506&simid=3440772261,420505599&pn=20&rn=1&di=6490&ln=473&fr=&fmq=1593430855038_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%2Ff.hiphotos.baidu.com%2Fbaike%2Fc0%253Dbaike60%252C5%252C5%252C60%252C20%2Fsign%3Defb373b7c995d143ce7bec711299e967%2F023b5bb5c9ea15ce9bc77fbdb7003af33a87b25d.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]

==经济价值==

木材富韧性,不易折断,是农具把柄的良材。材质较杨树稍差,可做一般建筑用材。在农村常可作簸箕等的边缘材料。枝条可供编物用;又是速生的绿化树种 。
==参考文献==
{{Reflist}}
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