摘要
通过对商陆属分类的历史回顾和对其分类系统的分析 ,指出了该属在分类上所存在的问题。在分析该属各亚属、组及种的分布情况和特点后提出该属的分布中心和分化中心在中南美洲 ,次级分化中心在亚洲的观点。认为该属的特有种的分布类型为新特有。从分布情况初步认为该属是一个较古老的属 ,但属的分化比较晚。
Some problems of the classification of Phytolacca hasbeen raised after reviewing the history of the classification of Phytolacca and analyzing its classification system.After analyzing the distribution's characters of Phytolacca ,the results show that the genus Phytolacca 's distribution and differentiation center is at the middle south Americs,the second differentiation center is at the Asia;and all of the endemic species are neoendemism.According to the distribution,the genus Phytolacca is an ancient genus,but its differentiation began later.The opinion that the distribution's characters should be considered in the genus's classification was raised.
出处
《延安大学学报（自然科学版）》
2002年第3期59-61,共3页
Journal of Yan'an University：Natural Science Edition
基金
国家自然科学基金资助项目 (30 130 0 30 )
