Systematics of irvingiaceae and ixonanthaceae (Malpighiales): Phylogenetic analysis based on three plastid DNA loci

J.W. Byng; B. Bernardini; M.J.M. Christenhusz; Mark Chase

doi:10.11646/phytotaxa.260.2.5

Systematics of irvingiaceae and ixonanthaceae (Malpighiales): Phylogenetic analysis based on three plastid DNA loci

J.W. Byng, B. Bernardini, M.J.M. Christenhusz, Mark Chase

School of Biological Sciences

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

© 2016 Magnolia Press. Relationships of Ixonanthaceae and Irvingiaceae have been poorly known in the past. We therefore investigate the relationships of these families here. Plastid atpB, rbcL and ndhF sequences from taxa representing all genera were analysed using maximum likelihood. Allantospermum was found as sister to Irvingiaceae and does not belong to Ixonanthaceae where it was often traditionally placed. This position of Allantospermum in Irvingiaceae is further supported by numerous putative synapomorphic characters. Expanded species sampling in Ixonanthaceae found that African Phyllocosmus was embedded within a strongly supported clade containing American Ochthocosmus. A re-evaluation of morphological characters of the two supports an enlarged concept of Ochthocosmus. Within Irvingiaceae, the West African monotypic Desbordesia was embedded within a strongly supported clade of Old World Irvingia. These findings change circumscriptions of both Ixonanthaceae and Irvingiaceae.

Original language	English
Pages (from-to)	157-166
Number of pages	10
Journal	Phytotaxa
Volume	260
Issue number	2
DOIs	https://doi.org/10.11646/phytotaxa.260.2.5
Publication status	Published - 11 May 2016

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title = "Systematics of irvingiaceae and ixonanthaceae (Malpighiales): Phylogenetic analysis based on three plastid DNA loci",

abstract = "{\textcopyright} 2016 Magnolia Press. Relationships of Ixonanthaceae and Irvingiaceae have been poorly known in the past. We therefore investigate the relationships of these families here. Plastid atpB, rbcL and ndhF sequences from taxa representing all genera were analysed using maximum likelihood. Allantospermum was found as sister to Irvingiaceae and does not belong to Ixonanthaceae where it was often traditionally placed. This position of Allantospermum in Irvingiaceae is further supported by numerous putative synapomorphic characters. Expanded species sampling in Ixonanthaceae found that African Phyllocosmus was embedded within a strongly supported clade containing American Ochthocosmus. A re-evaluation of morphological characters of the two supports an enlarged concept of Ochthocosmus. Within Irvingiaceae, the West African monotypic Desbordesia was embedded within a strongly supported clade of Old World Irvingia. These findings change circumscriptions of both Ixonanthaceae and Irvingiaceae.",

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T1 - Systematics of irvingiaceae and ixonanthaceae (Malpighiales): Phylogenetic analysis based on three plastid DNA loci

AU - Byng, J.W.

AU - Bernardini, B.

AU - Christenhusz, M.J.M.

AU - Chase, Mark

PY - 2016/5/11

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N2 - © 2016 Magnolia Press. Relationships of Ixonanthaceae and Irvingiaceae have been poorly known in the past. We therefore investigate the relationships of these families here. Plastid atpB, rbcL and ndhF sequences from taxa representing all genera were analysed using maximum likelihood. Allantospermum was found as sister to Irvingiaceae and does not belong to Ixonanthaceae where it was often traditionally placed. This position of Allantospermum in Irvingiaceae is further supported by numerous putative synapomorphic characters. Expanded species sampling in Ixonanthaceae found that African Phyllocosmus was embedded within a strongly supported clade containing American Ochthocosmus. A re-evaluation of morphological characters of the two supports an enlarged concept of Ochthocosmus. Within Irvingiaceae, the West African monotypic Desbordesia was embedded within a strongly supported clade of Old World Irvingia. These findings change circumscriptions of both Ixonanthaceae and Irvingiaceae.

AB - © 2016 Magnolia Press. Relationships of Ixonanthaceae and Irvingiaceae have been poorly known in the past. We therefore investigate the relationships of these families here. Plastid atpB, rbcL and ndhF sequences from taxa representing all genera were analysed using maximum likelihood. Allantospermum was found as sister to Irvingiaceae and does not belong to Ixonanthaceae where it was often traditionally placed. This position of Allantospermum in Irvingiaceae is further supported by numerous putative synapomorphic characters. Expanded species sampling in Ixonanthaceae found that African Phyllocosmus was embedded within a strongly supported clade containing American Ochthocosmus. A re-evaluation of morphological characters of the two supports an enlarged concept of Ochthocosmus. Within Irvingiaceae, the West African monotypic Desbordesia was embedded within a strongly supported clade of Old World Irvingia. These findings change circumscriptions of both Ixonanthaceae and Irvingiaceae.

U2 - 10.11646/phytotaxa.260.2.5

DO - 10.11646/phytotaxa.260.2.5

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JF - Phytotaxa

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ER -

Systematics of irvingiaceae and ixonanthaceae (Malpighiales): Phylogenetic analysis based on three plastid DNA loci

Abstract

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