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石栎(Lithocarpus glaber(Thunb)Nakai),为常绿乔木,多分布于广东、福建和浙江等地,江苏省宜兴南部山区仅有零星分布,而在南京市郊、县丘陵地区尚未发现过,历史文献资料及省、市植物志也无记载.1976年,笔者在南京市雨花台区铁心桥乡马家店村西罐子山麓进行山林资源调查时,发现了几株常绿阔叶树,当时初步鉴别为石栎,后经有关专家鉴定确认为石栎.1983年雨花台区林业站郭全鑑在考察马尾松毛虫危害情况时又在马家店罐子山西侧的西善桥乡太山村兔子窪发现有石栎散生分布.铁心桥、西善桥乡发现的散生石栎林,分布面积约200余亩,共约1000余株.该地海拔高40～60米,坡向东南.土壤为下蜀系黄棕壤,偏酸性,土层薄.
Lithocarpus glaber (Thunb) Nakai is an evergreen tree mostly distributed in Guangdong, Fujian and Zhejiang. There is only sporadic distribution in southern mountainous area of Yixing in Jiangsu Province. In the hilly area of Nanjing suburbs and counties, no history is found Literature and provincial and municipal Flora is also no record.In 1976, the author in Nanjing Yuhuatai Township Majiadian village west pot foothills forest resources survey found several evergreen broadleaf trees, was initially identified as Lithocarpus glauca , After identification by the relevant experts identified as Lithocarpus. 1983 Yuhuatai forestry station Guo Quanjian in examining the damage of Masson pine caterpillars again in Majiadian Jizi Shanxi west side of the village Tai Shancun rabbit depression found Lithospermum tree scattered distribution. Iron bridge, Xishan Qiao Township found scattered stone oak forest, the distribution area of about 200 acres, a total of about more than 1000. The elevation of 40 to 60 meters, the southeast.The soil is the Xia Shu yellow brown soil, acidic , Thin soil.