在組成我国許多浩瀚的森林里,松树常常是主角,有些森林甚至单純由一种松树所組成。然而“松树”仅仅是个統称,在松树这个大家族(科)里,地球上共有两千多种,植物学家根据彼此形态上的差异,又分为十二个分支(属),其中松属这一个分支就有八十种以上,我国分布有二十多种。例如东北的紅松、獐子松、魚鱗松,华北、 In many of the vast forests that make up our country, pine trees are often the protagonists. Some forests are even composed of pine trees alone. However, “pine trees” are only collectively known. In the large family (family) of pines, there are more than 2,000 species on the earth. The botanists are divided into twelve branches (genus) according to their differences in morphology. There are more than 80 species in this branch, and there are more than 20 species in our country. For example, in the northeast of Hongsong, Pinus sylvestris, Pinellias, North China,