广西滨海湿地盐生维管植物区系研究

Flora study of vascular halophytes in coastal wetland of Guangxi

基于野外实际调查及参考相关文献资料,对广西滨海湿地盐生维管植物及其区系进行研究,结果表明:(1)广西滨海湿地盐生维管植物有36科63属77种,含2变种,其中引种或栽培的5科5属5种,相比其他省份种类相对较少。(2)种子植物区系地理成分较复杂、热带性质明显,科的分布有4个类型和2个亚型,属的分布有7个类型和3个亚型。(3)草本植物发达,红树林植物及其伴生种为重要组成部分。(4)单种科、单种属多,无特有现象。

The flora of vascular halophytes in coastal wetland of Guangxi was researched and analyzed, according to the field investigation and reference. The results are as follows. （1） The diversity of halophytes is not abundance compared with the other provinces, and there are simply 77 species of halophytes in 36 families and 63 genera （including 2 varieties）. Among them, 5 species belonging to 5 genera and 5 families are introduced or cultivated. （2）The floristic elements of seed plants are very complicated with obvious tropical feature, and there are 4 distribution types and 2 subtypes of family, 7 distribution types and 3 subtypes of genus. （3）The herbs are rich, and mangrove plants, mangrove associates species are important part of halophytes. （4）The flora is dominated by single-families and single-genera and there are no endemic elements.