雪松形態(tài)特征 常綠大喬木,高可達(dá)60米,樹(shù)干通直,樹(shù)冠塔形,枝下高極低。樹(shù)皮幼時(shí)淡灰色,淺縱裂,老樹(shù)皮深灰色,裂成不規(guī)則鱗塊狀。大枝不規(guī)則輪生,平展或斜展,枝稍微下垂,小枝細(xì)長(zhǎng),微下垂;一年生長(zhǎng)枝淡黃褐色,被細(xì)毛,微白粉。葉針 (本文共 2045 字 ) [閱讀本文] >>
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 雪松形態(tài)特征 常綠大喬木,高可達(dá)60米,樹(shù)干通直,樹(shù)冠塔形,枝下高極低。樹(shù)皮幼時(shí)淡灰色,淺縱裂,老樹(shù)皮深灰色,裂成不規(guī)則鱗塊狀。大枝不規(guī)則輪生,平展或斜展,枝稍微下垂,小枝細(xì)長(zhǎng),微下垂;一年生長(zhǎng)枝淡黃褐色,被細(xì)毛,微白粉。葉針 (本文共 2045 字 ) [閱讀本文] >>