Circumscription and phylogeny of the fern family Tectariaceae based on plastid and nuclear markers, with the description of two new genera: Draconopteris and Malaifilix (Tectariaceae)
Zhang, Liang1,2; Schuettpelz, Eric3; Rothfels, Carl J.4,5; Zhou, Xin-Mao1,6; Gao, Xin-Fen1; Zhang, Li-Bing6
2016-08-01
Source PublicationTAXON
Volume65Issue:4Pages:723-738
AbstractThe circumscription and the phylogeny of the fern family Tectariaceae have been controversial. Previous molecular studies have supported the monophyly of this family, with 4-5 genera. However, these studies were exclusively based on plastid markers and relatively small sampling, especially of the non-Tectaria genera. In the present study, DNA sequences of eight plastid and one nuclear markers of 25 accessions representing 19 species of Tectaria and 58 accessions representing ca. 90% of the non-Tectaria species in the family (including Arthropteris) were used to infer a phylogeny using maximum likelihood (ML), Bayesian inference, and maximum parsimony. Our major results include: (1) Tectaria as currently circumscribed is not monophyletic and can be divided into three genera: Tectaria s.str., Draconopteris (gen. nov.) from Central to South America, and Malaifilix (gen. nov.) from Malesia; (2) Draconopteris and Malaifilix, the two new genera, together with Pteridrys, form a strongly supported Glade; (3) in our ML analyses, the Glade containing Draconopteris, Malaifilix, and Pteridrys (the DMP Glade) is resolved as sister to the rest of Tectariaceae and Arthropteris is sister to Tectaria+(Hypoderris + Triplophyllum), suggesting that Arthropteris should be treated as a member of Tectariaceae, and thus Tectariaceae contains seven genera: Arthropteris, Draconopteris, Hypoderris, Malaifilix, Pteridrys, Tectaria, and Triplophyllum; (4) with the well-supported relationships among the members of Tectariaceae, anastomosing venation in the family is inferred to have evolved independently at least three times; (5) Nephrolepis is strongly supported as sister to a Glade containing Cyclopeltis, Dracoglossum, and Lomariopsis, and thus we advocate that Lomariopsidaceae include these four genera (plus the unsampled Thysanosoria); and (6) intercontinental dispersal appears to have played an important role in shaping the extant distribution of Tectariaceae.
KeywordArthropteris Dracoglossum Intercontinental Dispersal Lomariopsidaceae Long-branch Repulsion Nephrolepis New Genera Nuclear Phylogeny Tectaria Venation
DOI10.12705/654.3
Indexed BySCI
Language英语
WOS IDWOS:000382423400003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/33600
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, Key Lab Mt Ecol Restorat & Bioresource Utilizat, Chengdu Inst Biol, POB 416, Chengdu 610041, Sichuan, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
3.Smithsonian Inst, Dept Bot, MRC 166,POB 37012, Washington, DC 20013 USA
4.Univ Calif Berkeley, Univ Herbarium, Berkeley, CA 94720 USA
5.Univ Calif Berkeley, Dept Integrat Biol, Berkeley, CA 94720 USA
6.Missouri Bot Garden, POB 299, St Louis, MO 63166 USA
Recommended Citation
GB/T 7714
Zhang, Liang,Schuettpelz, Eric,Rothfels, Carl J.,et al. Circumscription and phylogeny of the fern family Tectariaceae based on plastid and nuclear markers, with the description of two new genera: Draconopteris and Malaifilix (Tectariaceae)[J]. TAXON,2016,65(4):723-738.
APA Zhang, Liang,Schuettpelz, Eric,Rothfels, Carl J.,Zhou, Xin-Mao,Gao, Xin-Fen,&Zhang, Li-Bing.(2016).Circumscription and phylogeny of the fern family Tectariaceae based on plastid and nuclear markers, with the description of two new genera: Draconopteris and Malaifilix (Tectariaceae).TAXON,65(4),723-738.
MLA Zhang, Liang,et al."Circumscription and phylogeny of the fern family Tectariaceae based on plastid and nuclear markers, with the description of two new genera: Draconopteris and Malaifilix (Tectariaceae)".TAXON 65.4(2016):723-738.
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