A REEXAMINATION OF INFRASPECIFIC TAXA OF A WILD POTATO, SOLANUM-MICRODONTUM (SOLANUM SECT PETOTA, SOLANACEAE)

被引：14
|
作者：
VANDENBERG, RG [1 ]
SPOONER, DM [1 ]
机构：
[1] UNIV WISCONSIN,DEPT HORT,USDA ARS,MADISON,WI 53706
来源：
PLANT SYSTEMATICS AND EVOLUTION | 1992年 / 182卷 / 3-4期
关键词：
SOLANACEAE; SOLANUM SECT PETOTA; SOLANUM-MICRODONTUM; POTATOES; SUBSPECIES; SYSTEMATICS; VARIETIES;
D O I：
10.1007/BF00939190
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Current taxonomic interpretations of Solanum microdontum BITTER partition the species into two or three infraspecific taxa, variously recognized as subspecies or varieties. The present study reexamines these taxa using morphological data from four individuals each of 69 accessions from most of the range of the species, planted in a common field plot. Our results show that the character states used to recognize infraspecific taxa in S. microdontum often vary within accessions and have no correlation with geography. We conclude that past hypotheses have used typological concepts and that infraspecific taxa are not warranted. This study questions other hypotheses of infraspecific taxa in sect. Petota.
引用
收藏
页码：239 / 252
页数：14
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