Molecular phylogeny of Incarvillea (Bignoniaceae) based on its and trnL-F sequences
Chen, ST; Guan, KY; Zhou, ZK; Olmstead, R; Cronk, Q
Corresponding AuthorZhouzk@mail.kib.ac.cn
2005-04-01
Source PublicationAMERICAN JOURNAL OF BOTANY
ISSN0002-9122
Volume92Issue:4Pages:625-633
AbstractIncarvillea is a herbaceous and temperate member of Bignoniaceae, previously divided into four subgenera, Niedzuwedzzkio, Amphicome, Incarvillea, and Pteroscleris. Niedzwedzkia and Amphicome have in the past been treated as independent genera. Different relationships have been proposed for the four subgenera. Here, maximum parsimony analysis using ITS and trnL-F sequences resulted in similar trees and showed that the genus is monophyletic. Analysis of the combined data resulted in a single tree with five major clades highly supported and well resolved. The relationships of the five major clades are (subgenus Niedzwedzkia (Incarvillea olgae (subgenus Amphicome (subgenus Incarvillea, subgenus Pteroscleris)))). All four subgenera are well supported for monophyly, with the exception of subgenus Incarvillea, represented here by I. sinensis and I. olgae. Incarvillea olgae is not closely related to L sinensis, a conclusion supported by morphology. The two basal monotypic subgenera are found in Central Asia. The most species-rich subgenus, Pteroscleris, has 10 species in the Himalaya-Hengduan Mountains and may have dispersed early from central Asia to eastern Asia. Short branch lengths on the molecular trees within Pteroscleris suggest a recent and rapid radiation of this rosette-forming subgenus, perhaps connected with the uplift of the Himalaya-Hengduan massif.
KeywordBignoniaceae Classification Himalaya-hengduan Mountains Incarvillea Its Phylogenetics Radiation Trnl-f
Subject AreaPlant Sciences
Indexed BySCI
Language英语
WOS IDWOS:000228126800006
Citation statistics
Cited Times:41[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/3249
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
2.Univ Washington, Dept Biol, Seattle, WA 98195 USA
3.Univ British Columbia, Fac Agr Sci, Bot Gardens, Vancouver, BC V6T 1Z4, Canada
4.Univ British Columbia, Fac Agr Sci, Ctr Plant Res, Vancouver, BC V6T 1Z4, Canada
Recommended Citation
GB/T 7714
Chen, ST,Guan, KY,Zhou, ZK,et al. Molecular phylogeny of Incarvillea (Bignoniaceae) based on its and trnL-F sequences[J]. AMERICAN JOURNAL OF BOTANY,2005,92(4):625-633.
APA Chen, ST,Guan, KY,Zhou, ZK,Olmstead, R,&Cronk, Q.(2005).Molecular phylogeny of Incarvillea (Bignoniaceae) based on its and trnL-F sequences.AMERICAN JOURNAL OF BOTANY,92(4),625-633.
MLA Chen, ST,et al."Molecular phylogeny of Incarvillea (Bignoniaceae) based on its and trnL-F sequences".AMERICAN JOURNAL OF BOTANY 92.4(2005):625-633.
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