自然界中早已发现有枝条下垂、盘曲性状的林木、果树,如柳、国槐、杏、苹果、李、枣等,被形象地冠以“倒垂”、“龙爪”、“盘龙”“垂枝”等名称。 “垂枝栗”(又称盘龙栗)的存在山东至少应有百年以上历史,但在七十年代才被注意。 业经发现的垂枝栗母树已有7株,均分布于临沂地 Trees, fruit trees such as willow, Sophora japonica, apricot, apple, plum and jujube have long been found in nature. They are vividly described as “inverted vertical”, “dragon claw”, “ Weeping sticks ”and other names. The existence of “weeping chestnut” (also known as Panlongli) Shandong should have at least a hundred years of history, but was noticed until the seventies. Industry has found that weeping chestnut tree has seven, are located in Linyi