大黄低丘岗地马尾松林植物区系研究

Flora of Pinus massdoniana Forests on Low-hilly Land in Dahuang,Wan'nian County,Jiangxi

大黄低效马尾松林区共有维管束植物63科、133属164种,其中被子植物54科121属151种;裸子植物3科5属6种;蕨类植物6科7属7种。属的分布区类型中,以热带分布占优势,而泛热带分布又在热带分布中占绝对优势。中国特有植物种类较多,占总种数的31.88%。属和种的配比特征为:较多的属含较少的种,较少的属含较多的种。植物区系起源古老,地理成分复杂多样。

There are vascular plants 164 seed plant species belonging to 133 genera and 63 families in the area of deteriorated forests zone of Pinus massdoniana in Dahuang.Among them there are 151 species in 54 families,121 genera of angiosperm,6 species（in 3 families,5genus） of gymnosperm and 7 species in 6 families,7 genera of Pteridophytes.Among the areal types of genera,the tropic type get the advantage,pan-tropic types occupy absoluteness predominance in tropic type.Plants that endemic to china are rich,they take up 31.88% in the total.The proportion characteristics of genera and species are more genera include less species,less genera include more species.The floristic origin of Dahuang experimental zone is ancient and geographical components are multiform.