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Molecular systematics and character evolution of Typha (Typhaceae) inferred from nuclear and plastid DNA sequence data
Kim, C ; Choi, HK
Corresponding AuthorKim, C (reprint author), Chinese Acad Sci, Kunming Inst Bot, Lab Biodivers & Biogeog, 132 Lanhei Rd, Kunming 650204, Yunnan, Peoples R China
2011
Source PublicationTAXON
ISSN0040-0262
Volume60Issue:5Pages:1417-1428
AbstractSpecies identification and analysis of phylogenetic relationships within the genus Typha are difficult because of the high degree of variability among morphological characters and frequent interspecific hybridization. Traditionally, two sections (T. sect. Ebracteolatae and sect. Bracteolatae) have been recognized within the genus based on the presence or absence of bracteoles in the female flowers. The aims of this study were to reconstruct the phylogeny of Typha using DNA sequence data from nuclear LEAFY and three plastid regions, and to evaluate previous classifications. We sampled nine species from various regions that were each invariant at the molecular level. A parsimony consensus tree recovered three clades in the genus: clade I including T. angustifolia, T. elephantina, T. domingensis, and T. capensis; clade II including T. orientalis and T. laxmunni; and clade III comprising T. latifolia and T. shuttleworthii. Typha minima was found sister to the rest of the Typha species with maximal bootstrap support. The results do not support previous classifications of Typha. Character analysis showed that bracteole loss, spatulate stigma, lack of a gap between staminate and pistillate inflorescences, and monad pollen are derived characteristics in Typha.
KeywordLeafy Plastid Dna Phylogenetic Relationship Species Delimitation Bayesian Phylogenetic Inference Chloroplast Dna North-america Angustifolia Latifolia Incongruence Populations Poaceae Pollen Genes
Subject AreaPlant Sciences ; Evolutionary Biology
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/5277
Collection资源植物与生物技术所级重点实验室
Recommended Citation
GB/T 7714
Kim, C,Choi, HK. Molecular systematics and character evolution of Typha (Typhaceae) inferred from nuclear and plastid DNA sequence data[J]. TAXON,2011,60(5):1417-1428.
APA Kim, C,&Choi, HK.(2011).Molecular systematics and character evolution of Typha (Typhaceae) inferred from nuclear and plastid DNA sequence data.TAXON,60(5),1417-1428.
MLA Kim, C,et al."Molecular systematics and character evolution of Typha (Typhaceae) inferred from nuclear and plastid DNA sequence data".TAXON 60.5(2011):1417-1428.
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