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銀葉樹

銀葉樹
科学分类 编辑
界: 植物界 Plantae
演化支 维管植物 Tracheophyta
演化支 被子植物 Angiosperms
演化支 真双子叶植物 Eudicots
演化支 蔷薇类植物 Rosids
目: 锦葵目 Malvales
科: 錦葵科 Malvaceae
亚科: 梧桐亚科 Sterculioideae
属: 银叶树属 Heritiera
种:
銀葉樹 H. littoralis
二名法
Heritiera littoralis

銀葉樹学名Heritiera littoralis),俗名大白葉仔,为梧桐科银叶树属下的一个种。

銀葉樹板根
銀葉樹果實

外型特徵

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  1. 莖:常綠中喬木,幹基部有明顯的板根。
  2. 葉:葉革質,互生,長橢圓形,背面密被銀白色鱗片。長 16~30 公分,寬 5~12 公分,掌脈或羽脈;葉柄通常兩端膨大。
  3. 花:雌雄同株,成多分枝的圓錐花序,花萼癒合,花單性無花瓣;雄花鐘形,萼 4~5 裂,雄蕊的花絲合生成細長筒狀,花藥 4~20 枚;春季開花。
  4. 果實:果實扁橢圓形,長 3~5 公分,具光澤,內具纖維質含大量空氣,木質化而質輕,可藉海水漂送傳播各處,腹縫線上龍骨狀突起可導流,故稱海漂植物。

分布

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原產於太平洋諸島、亞洲南部、台灣南北海岸等地。

用途

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  1. 紅樹林樹種之一,可作為優良的海岸防風樹種及庭園樹。
  2. 木材可供建築、傢俱與造船等使用。
  3. 種子及樹皮可做藥用。
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銀葉樹
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