喬木,高約7米。樹(shù)皮深灰褐色,裂成不規(guī)則鱗狀塊片,枝條平展,幼樹(shù)樹(shù)冠卵狀圓柱形,老樹(shù)樹(shù)冠平頂;一年生枝淡黃褐色或暗紅褐色,無(wú)毛;冬芽卵圓形,先端尖,褐色,略有樹(shù)脂。針葉2針一束,長(zhǎng)5~13厘米,稍硬,邊緣有鋸齒,兩面均有氣孔帶,橫 (本文共 428 字 ) [閱讀本文] >>
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 喬木,高約7米。樹(shù)皮深灰褐色,裂成不規(guī)則鱗狀塊片,枝條平展,幼樹(shù)樹(shù)冠卵狀圓柱形,老樹(shù)樹(shù)冠平頂;一年生枝淡黃褐色或暗紅褐色,無(wú)毛;冬芽卵圓形,先端尖,褐色,略有樹(shù)脂。針葉2針一束,長(zhǎng)5~13厘米,稍硬,邊緣有鋸齒,兩面均有氣孔帶,橫 (本文共 428 字 ) [閱讀本文] >>