Ixeridium sagittarioides (Asteraceae-Cichorieae) revisited: range extension and molecular evidence for its systematic position in the Lactuca alliance

doi:10.3897/phytokeys.230.107733

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	Ixeridium sagittarioides (Asteraceae-Cichorieae) revisited: range extension and molecular evidence for its systematic position in the Lactuca alliance
	Zhang,Jian-Wen; Kilian,Norbert; Huang,Jiang-Hua; Sun,Hang
	2023
发表期刊	PHYTOKEYS
ISSN	1314-2003
期号	230 页码:115-130
摘要	Our first record of the rare and scatteredly distributed Ixeridium sagittarioides for Guizhou, China, triggered a study to assess its systematic position. The species was placed in four different genera in the course of its taxonomic history and was recently treated with doubts as a member of Ixeridium in the Flora of China. Comparative morphological investigation and phylogenetic analyses based on the nuclear ribosomal DNA internal transcribed spacer (nrITS) and five non-coding plastid DNA regions (petD region, psbA-trnH, trnL-trnF, rpl32-trnL(UAG) and 5 & PRIME;rps16-trnQ(UUG) spacers) provided evidence that the species is not a member of Ixeridium and the Crepidinae but has evolved by ancient hybridisation of members of the Lactuca alliance (Lactucinae). It is reinstated as Lactuca sagittarioides and a comprehensive morphological description is provided, based on material from its entire range of distribution.
关键词	Asteraceae Cichorieae Crepidinae Lactucinae Lactuca sagittarioides reticulate evolution systematic position taxonomy COMPOSITAE ORIGIN CHOICE GENUS
DOI	10.3897/phytokeys.230.107733
WOS记录号	WOS:001052102600001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/75069
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Zhang,Jian-Wen,Kilian,Norbert,Huang,Jiang-Hua,et al. Ixeridium sagittarioides (Asteraceae-Cichorieae) revisited: range extension and molecular evidence for its systematic position in the Lactuca alliance[J]. PHYTOKEYS,2023(230):115-130.
APA	Zhang,Jian-Wen,Kilian,Norbert,Huang,Jiang-Hua,&Sun,Hang.(2023).Ixeridium sagittarioides (Asteraceae-Cichorieae) revisited: range extension and molecular evidence for its systematic position in the Lactuca alliance.PHYTOKEYS(230),115-130.
MLA	Zhang,Jian-Wen,et al."Ixeridium sagittarioides (Asteraceae-Cichorieae) revisited: range extension and molecular evidence for its systematic position in the Lactuca alliance".PHYTOKEYS .230(2023):115-130.

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