Phylogeny and systematics of the brake fern genus Pteris (Pteridaceae) based on molecular (plastid and nuclear) and morphological evidence
Zhang, Liang1,2; Zhang, Li-Bing2,3
2018
发表期刊MOLECULAR PHYLOGENETICS AND EVOLUTION
ISSN1055-7903
卷号118期号:0页码:265-285
摘要

The brake fern genus Pteris belongs to Pteridaceae subfamily Pteridoideae. It is one of the largest fern genera and has been estimated to contain 200-250 species distributed on all continents except Antarctica. Previous studies were either based on plastid data only or based on both plastid and nuclear data but the sampling was small. In addition, an infrageneric classification of Pteris based on morphological and molecular evidence has not been available yet. In the present study, based on molecular data of eight plastid markers and one nuclear marker (gapCp) of 256 accessions representing ca. 178 species of Pteris, we reconstruct a global phylogeny of Pteris. The 15 major Glades identified earlier are recovered here and we further identified a new major Glade. Our nuclear phylogeny recovered 11 of these 16 major clades, seven of which are strongly supported. The inclusion of Schizostege in Pteris is confirmed for the first time. Based on the newly reconstructed phylogeny and evidence from morphology, distribution and/or ecology, we classify Pteris into three subgenera: P. subg. Pteris, P. subg. Campteria, and P. subg. Platyzoma. The former two are further divided into three and 12 sections, respectively.

关键词Fern Phylogeny Nuclear Gapcp Plastid Pteris Schizostege Systematics
语种英语
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/60617
专题植物化学与西部植物资源持续利用国家重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Div & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Chengdu Inst Biol, POB 416, Chengdu 610041, Sichuan, Peoples R China
3.Missouri Bot Garden, POB 299, St Louis, MO 63166 USA
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Zhang, Liang,Zhang, Li-Bing. Phylogeny and systematics of the brake fern genus Pteris (Pteridaceae) based on molecular (plastid and nuclear) and morphological evidence[J]. MOLECULAR PHYLOGENETICS AND EVOLUTION,2018,118(0):265-285.
APA Zhang, Liang,&Zhang, Li-Bing.(2018).Phylogeny and systematics of the brake fern genus Pteris (Pteridaceae) based on molecular (plastid and nuclear) and morphological evidence.MOLECULAR PHYLOGENETICS AND EVOLUTION,118(0),265-285.
MLA Zhang, Liang,et al."Phylogeny and systematics of the brake fern genus Pteris (Pteridaceae) based on molecular (plastid and nuclear) and morphological evidence".MOLECULAR PHYLOGENETICS AND EVOLUTION 118.0(2018):265-285.
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