摘要
运用分支分析方法研究了12种原产中国的野生菊属植物的系统发育关系，并引入了若干栽培品种及部分杂种一代植株作为分析材料。研究结果表明：分支分析方法有效而准确地将分类群分类，并揭示出毛华菊（Dendranthemarestitum）与菊花（Dendranthema×gran-diflorum）同为菊属植物中进化程度较高的种，部分种间杂种也已进入栽培类群。同时还发现不同性状在各品种间平行进化的现象。根据上述结果，作者讨论了中国菊属植物的系统进化及菊花起源问题。
The phylogenetic relationships among 12 species of Dendranthema in China are dealt with by using Wagner parsimony. The results indicate that cladistic analysis is not only as effective as Q cluster analysis in grouping taxa,but also can reveal the phylogenetic relationships of the taxa in question. Dendrathema vestitum and D. ×grandiflorum are the species of a high evolutionary degree and some of the hybrids are evolved in cultivated group. Also, we find a parallel evolutionary phenomenon of characters between different cultivars. Finally, some questions about origin of Chinese cultivated Chrysanthemum are also discussed.
出处
《武汉植物学研究》
CAS
CSCD
1997年第1期27-34,共8页
Journal of Wuhan Botanical Research
基金
国家自然科学基金
关键词
菊科
菊属
分支分析
分类
Dendranthema, Cladistic analysis
