在我国广西龙胜和四川的南川金佛山两地,生长着数量很少的珍稀植物——银杉,这是我国所特有的植物,是一种珍贵的孑遗植物。因其稀少,被人们称为植物中的大熊猎。 银杉是常绿乔木,喜欢生长在向阳、温暖、多雾的气候和石灰岩风化的山地黄壤上。银杉仪态高雅,刚健秀美,树干挺直,树冠塔形,分枝平展,枝条上螺旋排列着条形叶子,叶片像杉木的叶子那样扁平,叶片的上面为深绿色,下面有两条银白色的气孔带,微风吹来,便现出闪闪的银光来,银杉之名就是这样得来的。 银杉虽然也占个“杉”字,但它跟杉木却并非同类。在植物分类系统上,它属于裸子植物的松 In our country, Longsheng, Guangxi and Nanchuan, Jinfo, Sichuan, there are a few rare plants, namely, silver fir, which is a peculiar plant in our country and is a precious relict plant. Because of its sparse, people are called giant bear hunting in plants. Silver fir is an evergreen tree that likes to grow in the sunny, warm, foggy climate and limestone weathered mountain yellow soil. Silver fir graceful, healthy and beautiful, straight trunk, tower crown, branch flat, branches spiral arrangement of bar-shaped leaves, leaf-like fir leaves as flat, above the leaves dark green, below the two silver-white Stomatal belt, the breeze blowing, it shows a sparkling silver, the name of silver fir is so come. Although silver fir also accounts for a “fir” word, but it is not the same with fir. On plant taxonomy, it belongs to the pine of gymnosperm