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快乐小尾巴--小满的博客  
儿子出生在金猪年腊月,我们对小猪尾巴宝宝十分满意,取名小满。  
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快乐小尾巴 ,18岁
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· 身边的植物 --- 七里香
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· 身边的植物 --- 牛角花/皇冠花
· 身边的植物 --- 鸡蛋花
· 身边的植物 --- 雨树
· 身边的植物 --- 野胡椒
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【亲子启智】
· 身边的植物 --- 七里香
· 身边的植物 --- 牛角花/皇冠花
· 身边的植物 --- 鸡蛋花
· 身边的植物 --- 雨树
· 身边的植物 --- 野胡椒
· “血月”月全食
· 身边的植物 --- 红粉扑花
· 身边的植物 --- 棕榈科植物
· 身边的植物 --- 丁香树
· 身边的植物 --- 蓝蝴蝶花
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· 孩子干呕怎么办
· 宝宝撞头、摔跤咋应对?
· 抓周乐
· 宝宝磨牙
· 宝宝什么时候开始刷牙?
· 有关婴儿学步车
· 小儿睡觉时爱出汗是怎么回事?
· 宝宝排尿正常吗?
· 出牙期宝宝生活照料
【随兴而发】
· 新年快乐
· 圣诞快乐,新年快乐
· 世界杯
· 清明
· 新年快乐
· 他死于他所预警的新冠肺炎 -- 纪
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· 寻梦环游 -- 纪念,就不会真正消
· 你有鸿鹄之志吗?
· 拒绝“洋节”?
【在妈妈肚子里的日子 - 妈妈的话】
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身边的植物 --- 棕榈科植物
   

棕榈科也叫椰子科,广泛分布于热带、亚热带地区,而以美洲和亚洲的热带地区为其分布中心下分为刺葵亚科(仅刺葵1属,17种)、贝叶棕亚科(31属,360余种)、糖棕亚科(6属,40余种)、鱼尾葵亚科(3属,38种)、鳞果亚科(22属,600余种)、椰子亚科(22属,640种)、槟榔亚科(120属,1100种)、水椰亚科(11种,即水椰)、象牙椰亚科(315种)等九个亚科。             

棕.png        

 

  根据叶的分裂方式一般以掌状叶子(称扇叶类掌叶类大部分具掌状叶的棕榈都属于贝叶棕亚科)的叫“棕”、“榈”或“葵”;羽状叶子(称羽叶类)的叫椰子。扇叶类中乔木有棕榈、蒲葵等灌木有棕竹等。羽叶类中乔木有椰子、桄榔、鱼尾葵、槟榔、王棕、假槟榔、油棕灌木有山槟榔等,藤本有省藤、黄藤等除以上陆生种类外,还有生于海边浅水中的水椰等

 

棕榈植物为常绿植物,其形态有乔木、灌木或藤本。多直立单干,不分枝;并具坚挺大叶聚生干顶。掌状或羽状分裂,多具长柄,叶柄基部常扩大成一纤维状鞘。小而多两性或单性雌雄同株或异株,密生于叶从或叶鞘束下方的肉穗花序,常为大型佛焰苞所包被。浆果、核果或坚果,外果皮常呈纤维状。种子一胚小而富胚乳,含油。

 

棕榈中很多种类是重要的热带经济树种。如椰子的种子制干或取油;棕枣果是著名甜品。油棕有“世界油王”之称。棕榈、槟榔、椰子等的树干坚韧通直且耐水湿,可作建筑用材。棕竹属植物茎干细直坚韧,可制伞柄、手杖等。有的种类还可提供优质纤维和作制糖原料。槟榔种子可入药。蒲葵叶可供制扇和编织。黄藤和省藤则是编织藤器的良好材料。除上述经济用途外,棕榈类还多应用于城市绿化观赏由于其具有且能抗多种污染和滞尘等功能,对环境保护也有重要作用

 

门:   被子植物门 Magnoliophyta

纲:   单子叶植物纲 Liliopsida

目:   棕榈目 Arecales

科:   棕榈科 Arecaceae/Palmaceae


 
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