安徽歙县连香树群落的植物区系特征分析

安徽歙县连香树群落中有种子植物52科、106属、128种(含种下分类单位).其中,裸子植物2科2属4种,分别占种子植物的3.8%、1.9%、3.1%;被子植物50科104属124种,分别占种子植物的96.2%、98.1%、96.9%.在各类属的地理成分中,以温带地理成分占较大优势.属的地理成分反映了群落区系的温带性质,并与其它各地的植物区系如热带植物区系有着广泛联系.

Flora Analysis of Cercidiphyllum Japonicum Community in SheXian of Anhui Province

There are seed plant 52 families,106 genus and 128 species(including the classification bellow species.Two families,two genus and four species belong to gymnosperm,occupying 3.8%,1.9% and 3.1% of the seed plant respectly.Fifty families,104 genus and 124 species belong to angiosperm,occupying 96.2%,98.1% and 96.9% of the seed plant respectively.The elements of temperate zone are dominant in the classification of genus.The elements of genus indicate the temperate characteristic of flora,and they are connected with various floras such as tropical flora.