天气预报 > 其他 > 怎样区别朴树和栾树
怎样区别朴树和栾树
更新时间: 2020-10-05 00:00:00  

区别:

栾树属落叶乔木,高达20米,树冠近圆球形,树皮灰褐色,细纵裂;小枝稍有棱,无顶芽,皮孔明显,奇数羽状复叶,有时部分小叶深裂而为不完全的二回羽状复叶,长达40厘米,小叶7至15厘米,卵形或长卵形,边缘具锯齿或裂片,背面沿脉有短柔毛。顶生大型圆锥花序,花小金黄色。蒴果三角状卵形,顶端尖,红褐色或桔红色。花期6至9月,果期9至10月。

朴树属落叶乔木,高达20米;树皮灰色,光滑,粗糙而不开裂,枝条平展。当年生小枝密生毛。叶质较厚,阔卵形或圆形,中上部边缘有锯齿;三出脉,侧脉在六对以下,不直达叶缘,叶面无毛,叶脉沿背疏生短柔毛;叶柄长约1厘米。花杂性同抹;雄花簇生于当年生枝下部叶腋;雌花单生于枝上部叶腋,1至3朵聚生。核果近球形,单生叶腋,红褐色,直径4到5毫米;果柄等长或稍长于叶柄;花期4月,果熟期10月。核果近球形,熟时橙红色,核果表面有凹点及棱背,单生或两个并生。

关键词: 怎样 区别

怎样区别朴树和栾树相关经验

天气预报

最新推荐

页面:/news/view-1660628/ | 耗时:0.2225 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1660628 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1660628 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1660628 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1520570,1113722,229585,287572,1129823,1325570,2271300,248820,2913646,1476733,1071942,1132677,1127275,1418189,1127389,1041729,183580,1879127,1107851,473042,1474365,447212,2022758,1103971,1051677,1278883,1910632,1056396,2851736,2081790) ORDER BY field (ArticleID,1520570,1113722,229585,287572,1129823,1325570,2271300,248820,2913646,1476733,1071942,1132677,1127275,1418189,1127389,1041729,183580,1879127,1107851,473042,1474365,447212,2022758,1103971,1051677,1278883,1910632,1056396,2851736,2081790)