茅台酒生态功能保护区的种子植物区系特征

为了摸清茅台酒生态功能保护区的种子植物种类及区系特征,采取实地考察、标本采集、分类鉴定等方法对该地区的种子植物进行了调查。结果表明:1)茅台酒生态功能保护区共有种子植物101科279属411种,仅含1种的属或科较多,优势科、属不明显,区系具有明显的亚热带性质,温带成分有减少趋势。2)该区有国家级保护植物3种、中国特有属植物5种,该植物区系在区划上属于贵州高原亚地区,与黔北的其他6个保护区相比,热带成分所占比例最大,原因可能是该区年均气温较高。

Flora Characteristics of Seed Plants in the Ecological Function Reserve of Maotai Wine

The seed plants in the ecological function reserve of Maotai wine were surveyed by on-the-spot investigation,sample collection and taxonomic identification to know the type and flora characteristics of seed plants in the ecological function reserve of Maotai wine.The results showed that: 1) there were 411 species,279 genera,101 families and no dominant genus or family in the ecological function reserve of Maotai wine,and the flora was of obvious subtropical property;2) there were three national protective plants and five plants belonging to the peculiar genera in China.The flora belonged to Guizhou plateau sub-region,but the proportion of seed plants with the tropic type was maximum compared with six other protective reserves in Qianbei region because of higher mean annual temperature in the ecological function reserve of Maotai wine.