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云南松(Pinus yunnanensis)是西南地区主要用材林之一,我国北纬23°—29°,东径98°30′—106°之间均有分布,而以云南省分布最广,其云南松林面积占全省森林面积的37.6％,林木蓄积占总蓄积的20.1％。云南松适应性强,耐瘠薄干旱,能飞子成林,是荒山造林的先锋树种。在土层肥厚湿润的地区,生长更为迅速,树高可达35m,胸径
Pinus yunnanensis is one of the main timber forests in southwest China. It is distributed between 23 ° -29 ° north latitude and 98 ° 30’-106 ° east longitude, while Yunnan is the most widely distributed. Pinus yunnanensis stands The province’s forest area of 37.6%, forest accumulation accounted for 20.1% of the total stock. Yunnan pine adaptability, resistance to infertile drought, can fly fly into forests, is the pioneer tree afforested barren hills. Humid areas in the soil moist, grow more rapidly, tree height up to 35m, diameter at breast height