(圖3-33)落葉喬木,高8~12m。樹(shù)干通直,樹(shù)冠窄長(zhǎng);樹(shù)皮灰褐色或黑褐色,淺縱裂;小枝灰褐色,有光澤,有黃褐色皮孔。葉對(duì)生,三角狀卵形或卵狀長(zhǎng)圓形,長(zhǎng)6~15cm,寬6~12cm,先端長(zhǎng)尖形,有時(shí)基部具有1~2對(duì)尖齒,截形、寬楔形或心形,全緣,無(wú)毛 (本文共 397 字 , 1 張圖 ) [閱讀本文] >>
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 (圖3-33)落葉喬木,高8~12m。樹(shù)干通直,樹(shù)冠窄長(zhǎng);樹(shù)皮灰褐色或黑褐色,淺縱裂;小枝灰褐色,有光澤,有黃褐色皮孔。葉對(duì)生,三角狀卵形或卵狀長(zhǎng)圓形,長(zhǎng)6~15cm,寬6~12cm,先端長(zhǎng)尖形,有時(shí)基部具有1~2對(duì)尖齒,截形、寬楔形或心形,全緣,無(wú)毛 (本文共 397 字 , 1 張圖 ) [閱讀本文] >>