油鬆和樟子鬆如何分辯?
油鬆和樟子鬆主要是從樹冠,樹皮,球果上來區分。
油鬆樹shu冠guan在zai壯zhuang年nian期qi呈cheng塔ta形xing或huo廣guang卵luan形xing,在zai老lao年nian期qi呈cheng盤pan狀zhuang傘san形xing。樹shu皮pi灰hui棕zong色se,呈cheng鱗lin片pian狀zhuang開kai裂lie,裂lie縫feng紅hong褐he色se。當dang年nian小xiao球qiu果guo的de種zhong鱗lin頂ding端duan有you剌la,球qiu果guo卵luan形xing,長chang4-9cm。無柄或有極短枘,可宿存枝上達數年之久;種鱗的鱗背肥厚,橫脊顯著,鱗臍有剌。種子卵形,淡褐色有斑紋;有褐色條紋。

樟子鬆是常綠喬木,樹冠卵形至廣卵形,老樹皮較厚有縱裂,黑褐色,常鱗片狀開裂:樹幹上部樹皮很薄,褐黃色或淡黃色,薄皮脫落。輪枝明顯,20年生前大枝斜上或平展,一年生枝條淡黃色,球果長卵形,黃綠色或灰黃色;第三年春球果開裂,鱗臍小,疣狀凸起,有短刺,易脫落,種子大小不等,扁卵形,黑褐色,灰黑色,黑色不等。

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