NDLI: The global distribution of wild tarragon (Artemisia dracunculus L.; Asteraceae) cytotypes with twenty-seven new records from North America

Content Provider	Springer Nature Link
Author	Eisenman, Sasha W. Struwe, Lena
Copyright Year	2011
Abstract	Artemisia dracunculus (wild or Russian tarragon), is a polymorphic, herbaceous perennial with a widespread distribution that spans western North America, Eastern Europe and most temperate of Asia. This wild relative of the culinary herb French tarragon has recently been the focus of a number of studies which have investigated its medicinal activity in type 2 diabetes bioassays. The species is documented as having from diploid to decaploid cytotypes and chemical variation has previously been shown to occur between cytotypes. To help focus germplasm collecting efforts for ongoing studies on variation of medicinal compounds within the species, a literature review of the geographical occurrences of cytotypes was conducted. This review revealed a lack of records from North America. In order to fill in this gap in the cytogeographic distribution, meiotic chromosome counts and flow cytometry were used to determine the ploidy level of 27 individuals from 16 different populations throughout the western United States. The results revealed distinct patterns of cytotype distribution. Both diploids and polyploid cytotypes were found in Eurasia, and the distributional range of each cytotype was found to be increasingly restricted as ploidy increased. For North America, even with the inclusion of many new records, only diploid populations were documented, with the exception of one hexaploid record from Arizona which was found in the literature.
Starting Page	1199
Ending Page	1212
Page Count	14
File Format	PDF
ISSN	09259864
Journal	Genetic Resources and Crop Evolution
Volume Number	58
Issue Number	8
e-ISSN	15735109
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-01-26
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Artemisia dracunculus Botanical therapeutic Cytology Distribution Germplasm selection Medicinal plant Plant Sciences Agriculture Plant Physiology Plant Systematics/Taxonomy/Biogeography Plant Genetics & Genomics
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Ecology, Evolution, Behavior and Systematics Agronomy and Crop Science

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