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Transfer of the leafy liverwort Xenochila from Plagiochilaceae (Lophocoleineae) to Jungermanniaceae (Jungermanniineae)

Plant Systematics and Evolution volume 302, pages 891–899 (2016)Cite this article

Abstract

Xenochila is a monospecific genus that has not yet been included in molecular phylogenies. Based on morphology it has been aligned with Plagiochilaceae. A chloroplast DNA phylogeny places Xenochila within Jungermanniaceae in a robust sister relationship with the monospecific genus Delavayella. Though outwardly disparate in form, Delavayella and Xenochila share the presence of multicellular parenchymatous propagules forming singly from leaf margins of specialized gemmiparous shoots, a papillose gametophyte surface, nearly undifferentiated stem cells, absence of underleaves and bracteoles, weakly to distinctly bifid female bracts that are slightly larger than the leaves, and long cylindrical perianths with a dentate mouth. With the addition of Xenochila, Jungermanniaceae include the genera Delavayella, Eremonotus, Jungermannia, Liochlaena and Mesoptychia.

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Acknowledgments

This study was supported by an LMU student research grant to SDFP, and an ABRS Reseach Grant (grant RFL213-14) to MAMR and the Royal Botanic Gardens and Domain Trust. We thank the directors and curators of GOET and M for the loan of specimens and Professor S. Renner (M) for the permission for destructive sampling.

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Authors and Affiliations

  1. Department of Biology I and GeoBio-Center, Ludwig Maximilian University, Menzinger Str. 67, 80638, Munich, Germany

    Simon D. F. Patzak & Jochen Heinrichs

  2. Department of Botany, Charles University, Benátská 2, 128 01, Praha 2, Czech Republic

    Jiří Váňa

  3. Royal Botanic Gardens and Domain Trust, Mrs Macquaries Road, Sydney, NSW, 2000, Australia

    Matthew A. M. Renner

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  1. Simon D. F. Patzak
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  2. Jiří Váňa
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Correspondence to Jochen Heinrichs.

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Online Resource 1.   Alignment of the concatenated rbcL and rps4 sequences.

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Patzak, S.D.F., Váňa, J., Renner, M.A.M. et al. Transfer of the leafy liverwort Xenochila from Plagiochilaceae (Lophocoleineae) to Jungermanniaceae (Jungermanniineae). Plant Syst Evol 302, 891–899 (2016). https://doi.org/10.1007/s00606-016-1305-7

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Keywords

  • Chloroplast DNA
  • Delavayella
  • Jungermanniales
  • Marchantiophyta
  • Molecular phylogeny
  • Syzygiella