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- Title
Taxonomic treatment of Cichorieae (Asteraceae) endemic to the Juan Fernández and Desventuradas Islands (SE Pacific).
- Authors
Mejías, José A.; Seung-Chul Kim
- Abstract
The evolutionary origin and taxonomic position of Dendroseris and Thamnoseris (Cichorieae, Asteraceae) are discussed in the light of recent molecular systematic studies. Based on the previous development of a robust phylogenetic framework, we support the inclusion of the group as a subgenus integrated within a new and broad concept of the genus Sonchus. This approach retains information on the evolutionary relationships of the group which most likely originated from an adaptive radiation process; furthermore, it also promotes holophyly in the subtribe Hyoseridinae (formerly Sonchinae). Consequently, all the former Dendroseris and Thamnoseris species must be transferred to Sonchus. A preliminary nomenclatural synopsis of the proposed subgenus is given here, including the new required combinations.
- Subjects
JUAN Fernandez Islands; CREPIS; ASTERACEAE; TAXONOMY; SOW thistles; PHYLOGENY
- Publication
Annales Botanici Fennici, 2012, Vol 49, Issue 2, p171
- ISSN
0003-3847
- Publication type
Article
- DOI
10.5735/085.049.0303