Investigation on seed plant resources in Zhongfang County Kanglong Nature Reserve of Hunan Province
From March 2022 to March 2023,in order to explore the classification and distribution characteristics of seed plants in Zhongfang County Kanglong Nature Reserve of Hunan Province,the existing seed plants were identified and classifiedin this area by means of field investigation and literature collation.According to the findings,there were 772 genera and 1 962 families worth of wild seed plants in the Kanglong Nature Reserve.The gymnospermaes only make up 6 families,9 genera,and 13 species in the reserve.The angiosperms comprised 1 949 species in 763 genera and 173 families,with the Poaceae and Asteraceae groups having the most species overall.The reserve had 29 kinds of rare and endangered plants in addition to 26 species of nationally significant wild plants.The pantropical nature of the plants in the reserve was more apparent,which revealed that the distribution range of seed plant genera in the area was most pantropical(19.46%),followed by north temperate distribution(14.27%)and East Asian distribution(12.06%)according to the flora analysis.With similarity percentages above 60%,including 84.96%and 83.07%with Ying Zuijie and Jiao Muxi,the similarity index analysis revealed that the Kanglong Reserve was strongly related to its surrounding areas.This study comprehensively investigated the seed plant resources in Kanglong Nature Reserve,and also provided data support for the protection and utilization of wild plants and plant germplasm resources in this area.
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