浙江省温岭市种子植物区系特点

调查表明,温岭市共有种子植物162科806属1 632种(包括种下等级),分别占浙江省种子植物科、属、种总数的88.04%,59.97%和37.69%。其中裸子植物9科21属38种,被子植物153科785属1 594种,栽培引种植物402种,隶属于264属。对温岭市种子植物区系的组成和地理成分进行了分析,并与南部的泰顺县植物区系以及北面的西天目山植物区系进行比较,认为温岭市植物区系种类较丰富;以小型科、属居多,种类则主要集中于少数大型科、属中;生活型组成以草本植物为主;区系地理成分复杂多样,反映出广布性和地域性的特点;古老原始的类群较多;滨海植物与岩生植物区系发达。表4参14

Characteristics of seed plants flora in Wenling City,Zhejiang Province

Wenling City is situated in the southeast of Zhejiang Province.There are 162 families,806 genera and 1 632 species(including subspecies,varieties,forms and cultivars)in the flora,amounting to 88.04% of the total families of seed plants from Zhejiang flora,59.97% of the total genera and 37.69% of the total species.Among which,gymnosperms are 9 families,21 genera and 38 species,angiosperms are 153 families,785 genera and 1 594 species,and cultivated plants are 402 species,belonging to 265 genera.Based upon the natural conditions in Wenling,analysising composition of seed plants flora and the areal-types of genera,and comparing with the genera and species of neighbouring floras of Taishun County and Mount Tianmu.It is considered that the flora of Wenling City is rich in plant species;there are many small families and genera,but the major species fasten on minority big families and genera;the dominating life-form is herb plants;the geographical components of the flora is complex and varied,so that the flora is widely spread and locality and has many ancient and primitive plants;seashore plants and rock plants are abundant.