木置水垣吧 关注:7贴子:1,895

【科普知识】桃花心木_~~~

只看楼主收藏回复

//
桃花心木常绿乔木。树皮淡红色。鳞片状剥落。羽状复叶,小叶4—6对,卵形或卵状披针形,两侧不等。春夏开花,圆锥花序,花白色。蒴果大,卵形,木质,五瓣裂。
原产南美洲,中国南部有栽培。木材色泽美丽,能抗虫蚀,适于制作车船、家具等,为世界名贵木材之一。



1楼2006-03-18 09:38回复
    桃花心木树~~~~
    ///
    科别: 
    楝科落叶大乔木
    形态描述: 
    常绿乔木,树高可达15公尺以上,树冠强壮;种子具翅膀,飘落如螺旋桨
    用 途: 
    行道树、庭园树, 
    制高级家具的好木材
    详细介绍:
    全身光滑无毛,小枝外表具有明显的皮孔。叶子互生偶偶数羽状复叶,小叶三到七对,彼此对生,轮廓斜卵形,基部歪形,长约十公分。初夏准时开花。圆锥花序生在叶腋处,花朵很小,但是数量颇多,黄绿色,萼瓣各五枚,雄蕊聚集成筒,子房成五室。 果实为卵形或锥状椭圆形的蒴果,外表具有五条纵棱,长约十公分到十五公分,成熟后从基部纵向裂开,好让带着翅膀的种子飞散出来。


    2楼2006-03-18 09:41
    回复
      得名原因:
      桃花心木因为木材呈淡红褐色,有如桃花之色泽而得名。
      产地详介:
      台湾共栽培两种,一种叶片较大的,就是大叶桃花心木,另一种叶片明显较小,长度只有五公分左右,称为小叶桃花心木,或是桃花心木。两种都是高级经济树种,木材质地密致而且有光泽,是制造高级家俱的上等材料,过去也常被拿来制造军舰、舟车、农具等。

      在原产地的地区和国家中,就有「多米尼加」将它推举为国花,可见它受到重视的程度。

      生长速度:
      大叶桃花心木生长相当快速,栽种十二年左右的植株就有开花结果的能力,十五年以上即可供砍伐利用。


      3楼2006-03-18 09:44
      回复
        远观~


        4楼2006-03-18 09:45
        回复
          半个世纪以前,桃花心木远涉重洋,从海上丝绸之路来到湛江安家落户.


          5楼2006-03-18 09:47
          回复
            (扎根50多年了至今仍然保留着“遇旱落叶”的遗传记忆.)
            枝叶


            6楼2006-03-18 09:48
            回复
              树杈


              7楼2006-03-18 09:49
              回复
                叶片呈黄绿相


                8楼2006-03-18 09:49
                回复
                  桃花心木是红色硬


                  9楼2006-03-18 09:50
                  回复
                    桃花心木的品种: 

                    西印度群岛桃花心木`~产自古巴、巴哈马等加勒比海国家和美国佛罗里达州; 
                    洪都拉斯桃花心木~产自洪都拉斯和秘鲁、巴西等中南美国家。 
                    非洲桃花心木~产自尼日利亚、黄金海岸等西非洲国家。 
                    墨西哥桃花心木~ 产自墨西哥。 

                    而被称为“菲律宾桃花心木”的植物属龙脑香科,并非桃花心木。


                    10楼2006-03-18 09:52
                    回复
                      • 218.18.174.*
                      nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnggggggggggggggggggggggggggggggggggggggggggccccccccccccccccccccccccccccccccccccccccccccckkkkkkkkkkkkkkkkkkkkllllllllllllllllldddddddddddddddddddddd,,,,,,,,,,,,,,,,,,,,,,,,ssssssssssssssssssssssssssssssssssssssssssssssdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaadddddddddddddddddddddddddddddaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaadddddddddddddddddddddddddddddddddddddddjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaddddddddddddddddddddddddddddddddddd


                      11楼2007-03-15 20:50
                      回复
                        • 218.18.174.*
                        我我我我我我我我我我问问问问问问问问问问


                        12楼2007-03-15 20:52
                        回复
                          • 222.162.232.*
                          sgddvddfgv


                          13楼2007-03-19 18:04
                          回复
                            • 222.183.87.*
                            dddddddddddddddddddddsgggggggggggggggsddddddddddddddggggggggggggrrrrrrrrrrrrrgggggggggggrrrrrrrrrrrrrrgggggggggggggrrrrrrrrrrrrrrrrggggggggggggggrrrrrrrrrrrrrggggggggggggggrrrrrrrrrggg


                            14楼2008-02-24 16:51
                            回复
                              • 222.183.87.*
                              aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.............


                              15楼2008-02-24 16:52
                              回复