湖南新宁野生地被植物资源的调查与分析

Investigation and Analysis of Wild Ground Cover Plants Resources in the Xinning County of Hunan Province

为深入了解湖南新宁野生地被植物资源现状,更好地开发利用野生地被植物资源,丰富城市园林植物类群。通过实地调查和资料收集,发现新宁共有534种野生地被植物,隶属101科250属,分别占该区维管束植物科、属、种的42.26%,24.15%和16.91%,其中蕨类植物9科11属25种,双子叶植物76科200属433种,单子叶植物16科39属76种,裸子植物缺乏。生活型以草本类为主,有236种,占总种数的44.19%,而藤本、灌木、蕨类和竹类所占比例较少,分别占总种数的31.84%,18.73%,4.68%和0.56%;直立型、缠绕攀援型和蔓生匍匐型地被植物所占比例相差较大,分别占总数的59.36%,31.84%和8.80%;大部分野生地被植物具有良好的观赏特性,且适应性广、抗逆性强。

In order to deeply understand the wild ground cover plant resources in the Xinning County of Hunan Province,to better develop and utilize the wild ground cover plants resources,and to enrich city garden plant groups,the field investigation and data collection were carried out in this study.The results indicated that there were 534 species of wild ground cover plants in Xinning,belonging to 101 families and250 genera,accounting for the 42.26%,24.15%and 16.91%of the vascular plants families,genera and species in the area,respectively.These plants included 9 families,11 genera and 25 species of pteridophyte,76 families,200 genera and 433 species of dicotyledon,16 families,39 genera and 76 species of monocotyledonous plants,whereas there was no gymnosperms.The herb was a dominant group in life form,accounting for 44.19%of the total species,whereas fujimoto,shrubs,ferns and bamboos had less proportion,accounting for the 31.84%,18.73%,4.68%and 0.56%of the total species,respectively.The erect type,winding type and climbing vine of ground cover plants had different proportions,and accounted for the 59.36%,31.84%and 8.80%of the total species,respectively.Most of the wild ground cover plant had good ornamental characteristics,wide adaptability and strong resistance.