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Morphological and molecular data show Synostemon trachyspermus (Phyllanthaceae, Phyllantheae) to be a heterogeneous species assemblage

Morphological and molecular data show Synostemon trachyspermus (Phyllanthaceae, Phyllantheae) to... Synostemon trachyspermus (F.Muell.) I.Telford & Pruesapan (Phyllanthaceae, Phyllantheae) is shown, by morphological studies and phylogenetic analysis using nrITS DNA sequence data, to be a heterogeneous species assemblage of four species. Phyllanthus rhytidospermus F.Muell. ex Mll.Arg., with a new combination provided as Synostemon rhytidospermus (F.Muell. ex Mll.Arg.) I.Telford & Pruesapan, and Sauropus hubbardii Airy Shaw, with a new combination as Synostemon hubbardii (Airy Shaw) I.Telford & Pruesapan, are re-instated as species. Phyllanthus arnhemicus S.Moore is lectotypified and placed in synonomy under Synostemon lissocarpus (S.Moore) I.Telford & Pruesapan, which is the new combination provided for Phyllanthus lissocarpus S.Moore (syn. Sauropus lissocarpus (S.Moore) Airy Shaw). Synostemon umbrosus I.Telford & J.J.Bruhl, a rare endemic from the Kimberley, Western Australia, is named as new. The newly described S. hamersleyensis I.Telford & Naaykens, endemic to the Pilbara, Western Australia, and the north-eastern Queensland endemic Sauropus aphyllus J.T.Hunter & J.J.Bruhl are shown to be closely related the new combination Synostemon aphyllus (J.T.Hunter & J.J.Bruhl) I.Telford & Pruesapan is provided for the latter. Sauropus sp. A of Flora of the Kimberley Region, previously included within S. trachyspermus sens.lat., shows a more distant relationship and is named as Synostemon judithae I.Telford & J.J.Bruhl. Notes on distribution, habitat, phenology, conservation status, photomicrographs of seeds and a key to identification of the species are provided. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Australian Systematic Botany CSIRO Publishing

Morphological and molecular data show Synostemon trachyspermus (Phyllanthaceae, Phyllantheae) to be a heterogeneous species assemblage

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Publisher
CSIRO Publishing
Copyright
Copyright © The Author(s). Published by CSIRO Publishing
ISSN
1030-1887
eISSN
1446-4701
DOI
10.1071/SB16008
Publisher site
See Article on Publisher Site

Abstract

Synostemon trachyspermus (F.Muell.) I.Telford & Pruesapan (Phyllanthaceae, Phyllantheae) is shown, by morphological studies and phylogenetic analysis using nrITS DNA sequence data, to be a heterogeneous species assemblage of four species. Phyllanthus rhytidospermus F.Muell. ex Mll.Arg., with a new combination provided as Synostemon rhytidospermus (F.Muell. ex Mll.Arg.) I.Telford & Pruesapan, and Sauropus hubbardii Airy Shaw, with a new combination as Synostemon hubbardii (Airy Shaw) I.Telford & Pruesapan, are re-instated as species. Phyllanthus arnhemicus S.Moore is lectotypified and placed in synonomy under Synostemon lissocarpus (S.Moore) I.Telford & Pruesapan, which is the new combination provided for Phyllanthus lissocarpus S.Moore (syn. Sauropus lissocarpus (S.Moore) Airy Shaw). Synostemon umbrosus I.Telford & J.J.Bruhl, a rare endemic from the Kimberley, Western Australia, is named as new. The newly described S. hamersleyensis I.Telford & Naaykens, endemic to the Pilbara, Western Australia, and the north-eastern Queensland endemic Sauropus aphyllus J.T.Hunter & J.J.Bruhl are shown to be closely related the new combination Synostemon aphyllus (J.T.Hunter & J.J.Bruhl) I.Telford & Pruesapan is provided for the latter. Sauropus sp. A of Flora of the Kimberley Region, previously included within S. trachyspermus sens.lat., shows a more distant relationship and is named as Synostemon judithae I.Telford & J.J.Bruhl. Notes on distribution, habitat, phenology, conservation status, photomicrographs of seeds and a key to identification of the species are provided.

Journal

Australian Systematic Botany – CSIRO Publishing

Published: Nov 29, 2016

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