NDLI: Sibbaldia: a molecular phylogenetic study of a remarkably polyphyletic genus in Rosaceae

Content Provider	Springer Nature Link
Author	Eriksson, Torsten Lundberg, Magnus Töpel, Mats Östensson, Pia Smedmark, Jenny E. E.
Copyright Year	2014
Abstract	Using DNA sequence data from nuclear ribosomal ITS in combination with plastid trnLF spacer and trnL intron data, we show that Sibbaldia is a polyphyletic assemblage. It falls into five separate clades of Potentilleae, three within Fragariinae and two within Potentilla (Potentillinae sensu Soják). To a large extent, our results are congruent with Soják’s findings based on morphological characters such as anther structure. Four of the Sibbaldia species included in this study remain in Sibbaldia, while S. adpressa is classified in Sibbaldianthe, S. perpusilloides is considered to represent a new genus in Fragariinae, Chamaecallis Smedmark, S. micropetala is nested within the Potentilla anserina clade, and four species belong to a basal clade of Potentilla. The phylogenetic affinity of Sibbaldiopsis is still unsettled, but one of the three species that have been classified in the genus is found to belong inside Sibbaldia, and it should be named Sibbaldia retusa (O.F. Müller) T. Erikss. Further study will show whether the remaining two species, Potentilla cuneifolia and P. miyabei, are more closely related to Sibbaldia, Sibbaldianthe, or if they make up a distinct lineage separate from either of these.
Starting Page	171
Ending Page	184
Page Count	14
File Format	PDF
ISSN	03782697
Journal	Plant Systematics and Evolution
Volume Number	301
Issue Number	1
e-ISSN	21996881
Language	English
Publisher	Springer Vienna
Publisher Date	2014-05-10
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bayesian inference Phylogeny Polyphyly Potentilla Sibbaldia Taxonomy Plant Sciences Plant Ecology Plant Anatomy/Development Plant Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Plant Science Ecology, Evolution, Behavior and Systematics

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