中文摘要：

笔者统计分析了湖北省十堰地区种子植物区系。本区物种多样性较为丰富，共有野生种子植物162科836属2652种，地理成分复杂。分析表明：本区系具有明显的温带性质，同时具有较多的热带成分，表现出过渡性的特点；本区系中国特有属较多，珍稀濒危植物丰富。与湖北省的神农架、七姊妹山和陕西省太白山3个邻近的植物区系相比，与神农架植物区系的相似性较大。

英文摘要：

The flora of seed plants in Shiyan district in Hubei province is analyzed by authors. The results are as follows： It is abundant in species, with 2 652 species of seed plants which belong to 836 genera and 162 families. The geographical elements are complex. The flora is of an obvious temperate feature, and tropical elements are plentiful. It shows transitional nature form tropic to temperate. There are many endemic to China species, and the rare and endangered species are very rich. Compared to the flora of Shennongjia,Qizimei Mountain in Hubei province and Taibai Mountain in Shanxi province, the flora of Shiyan district has the highest similarity with Shennongjia.