“在天愿作比翼鸟、在地愿为连理枝”,这是白居易《长恨歌》中脍炙人口的名句。最近在川鄂交界的四川省巫山县当阳公社中梁子山上发现一对成为连理树的栎树(上图)。这两棵栎树相距5米,一大一小,在小树一米处有一香藤,先攀缠小树,然后凌空再攀缠大树,使两树的侧枝连结。据当地群众讲,两树侧枝连生已有20多年了。树木连理枝现象,在林区是常见的。它的形成原因很多。一是由于两枝紧贴或藤本植物把两枝相 “In the day is willing to make lovebirds, in the field is willing to even branch”, this is Bai Juyi “Everlasting Regret” in the famous quote. A pair of oak trees that became a Tung Li tree was recently found on Zhong Liang Zi Shan, Dangyang commune, Wushan County, Sichuan Province, at the junction of Sichuan and Hubei (above). The two oak trees are 5 meters apart, one big and one small, with a vine at one meter of the tree. They first climb the small tree and then skyward and climb the big tree to connect the side branches of the two trees. According to the local people, there have been more than two decades of side-shoots between two trees. Tree branches phenomenon, in the forest is common. It formed for many reasons. First, because the two close to the vine or two branches