Divergence times and the evolution of epiphytism in filmy ferns (Hymenophyllaceae) revisited

dc.contributor.author

Hennequin, S

dc.contributor.author

Schuettpelz, E

dc.contributor.author

Pryer, KM

dc.contributor.author

Ebihara, A

dc.contributor.author

Dubuisson, J

dc.date.accessioned

2020-12-01T21:51:47Z

dc.date.available

2020-12-01T21:51:47Z

dc.date.issued

2008-11-01

dc.date.updated

2020-12-01T21:51:46Z

dc.description.abstract

Although the phylogeny of the filmy fern family (Hymenophyllaceae) is rapidly coming into focus, much remains to be uncovered concerning the evolutionary history of this clade. In this study, we use two data sets (108-taxon rbcL+ rps4, 204-taxon rbcL) and fossil constraints to examine the diversification of filmy ferns and the evolution of their ecology within a temporal context. Our penalized likelihood analyses (with both data sets) indicate that the initial divergences within the Hymenophyllaceae (resulting in extant lineages) and those within one of the two major clades (trichomanoids) occurred in the early to middle Mesozoic. There was a considerable delay in the crown group diversification of the other major clade (hymenophylloids), which began to diversify only in the Cretaceous. Maximum likelihood and Bayesian character state reconstructions across the broadly sampled single-gene (rbcL) phylogeny do not allow us to unequivocally infer the ancestral habit for the family or for its two major clades. However, adding a second gene (rps4) with a more restricted taxon sampling results in a hypothesis in which filmy ferns were ancestrally terrestrial, with epiphytism having evolved several times independently during the Cretaceous. © 2008 by The University of Chicago. All rights reserved.

dc.identifier.issn

1058-5893

dc.identifier.issn

1537-5315

dc.identifier.uri

https://hdl.handle.net/10161/21808

dc.language

en

dc.publisher

The University of Chicago Press

dc.relation.ispartof

International Journal of Plant Sciences

dc.relation.isversionof

10.1086/591983

dc.subject

Science & Technology

dc.subject

Life Sciences & Biomedicine

dc.subject

Plant Sciences

dc.subject

divergence time estimates

dc.subject

diversification

dc.subject

ecological evolution

dc.subject

epiphytism

dc.subject

ferns

dc.subject

GENUS TRICHOMANES HYMENOPHYLLACEAE

dc.subject

RBCL NUCLEOTIDE-SEQUENCES

dc.subject

PHYLOGENETIC-RELATIONSHIPS

dc.subject

SEED PLANTS

dc.subject

MOLECULAR SYSTEMATICS

dc.subject

S.L. HYMENOPHYLLACEAE

dc.subject

L. HYMENOPHYLLACEAE

dc.subject

ABSOLUTE RATES

dc.subject

GENES

dc.subject

FILICOPSIDA

dc.title

Divergence times and the evolution of epiphytism in filmy ferns (Hymenophyllaceae) revisited

dc.type

Journal article

duke.contributor.orcid

Pryer, KM|0000-0002-9776-6736

pubs.begin-page

1278

pubs.end-page

1287

pubs.issue

9

pubs.organisational-group

Trinity College of Arts & Sciences

pubs.organisational-group

Biology

pubs.organisational-group

Duke Science & Society

pubs.organisational-group

Duke

pubs.organisational-group

Initiatives

pubs.organisational-group

Institutes and Provost's Academic Units

pubs.publication-status

Published

pubs.volume

169

Files

Original bundle

Now showing 1 - 1 of 1
Loading...
Thumbnail Image
Name:
Hennequin et al.IJPS.2008.pdf
Size:
1.82 MB
Format:
Adobe Portable Document Format
Description:
Published version