Yunnan is not only the center of tea origination but also the center of tea evolution and variation.There is a broad distribution of Sect.Thea(L.) Dyer in Yunnan.This paper concerns the research progress of Sect.The...Yunnan is not only the center of tea origination but also the center of tea evolution and variation.There is a broad distribution of Sect.Thea(L.) Dyer in Yunnan.This paper concerns the research progress of Sect.Thea(L.) Dyer,reveals the distribution of Sect.Thea(L.) Dyer in Yunnan,and checks out the number and name of Sect.Thea(L.) Dyer in Yunnan,which will offer references for further study and application of tea plants.展开更多
In this paper Clematis sect. Aspidanthera s.l. is revised. Seventy_ two species and 15 varieties are recognized. They are keyed, described, and in most cases illustrated, and are classified into six subsections. Of th...In this paper Clematis sect. Aspidanthera s.l. is revised. Seventy_ two species and 15 varieties are recognized. They are keyed, described, and in most cases illustrated, and are classified into six subsections. Of them, on e series, five species, and two varieties are described as new, and two new rank s are proposed. Brief taxonomic history and geographical distribution of the sec tion are given, the evolutionary trends of several important morphological characters observed are e numerated, and the relationships of its subsections are discussed. As a resul t, subsect. Dioicae, which shows striking resemblance in both habit an d floral structure to sect. Clematis subsect. Clematis, is regar ded as t he primitive group, while subsect. Insidiosae, bearing pistillate flower wit h erect sepals and no staminodes, is regarded as the advanced group within the s ection.展开更多
基金Supported by Foundation of Tea Research Institute of Yunnan Acad-emy of Agricultural Science (2009A09-37)~~
文摘Yunnan is not only the center of tea origination but also the center of tea evolution and variation.There is a broad distribution of Sect.Thea(L.) Dyer in Yunnan.This paper concerns the research progress of Sect.Thea(L.) Dyer,reveals the distribution of Sect.Thea(L.) Dyer in Yunnan,and checks out the number and name of Sect.Thea(L.) Dyer in Yunnan,which will offer references for further study and application of tea plants.
文摘In this paper Clematis sect. Aspidanthera s.l. is revised. Seventy_ two species and 15 varieties are recognized. They are keyed, described, and in most cases illustrated, and are classified into six subsections. Of them, on e series, five species, and two varieties are described as new, and two new rank s are proposed. Brief taxonomic history and geographical distribution of the sec tion are given, the evolutionary trends of several important morphological characters observed are e numerated, and the relationships of its subsections are discussed. As a resul t, subsect. Dioicae, which shows striking resemblance in both habit an d floral structure to sect. Clematis subsect. Clematis, is regar ded as t he primitive group, while subsect. Insidiosae, bearing pistillate flower wit h erect sepals and no staminodes, is regarded as the advanced group within the s ection.