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Taxonomy, biogeography and evolution of plants
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Australian Systematic Botany

Australian Systematic Botany

Australian Systematic Botany publishes papers and critical reviews that aim to advance systematic botany and related aspects of biogeography and evolution of all plant groups. Read more about the journalMore

Editor-in-Chief: Darren Crayn

Publishing Model: Hybrid. Open Access options available.

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Latest

These articles are the latest published in the journal. Australian Systematic Botany is published under a continuous publication model. More information is available on our Continuous Publication page.

Published online 29 November 2024

SB24021Taxonomy of the Nicotiana megalosiphon species complex (Solanaceae; Nicotiana section Suaveolentes): analyses of RADseq data identifies a new cryptic species

Mark W. Chase 0000-0002-9927-4938, Maarten J. M. Christenhusz 0000-0003-1398-8743, Luiz A. Cauz-Santos, Steven Dodsworth 0000-0001-6531-3540, Ruth Palsson 0000-0003-1460-8239, John G. Conran 0000-0003-2268-2703, Felipe Nollet 0000-0002-1362-685X and Rosabelle Samuel 0000-0003-0197-4854
 

The Nicotiana megalosiphon species complex includes several morphologically cryptic species. We use phylogenetic and population genetic approaches (maximum likelihood, admixture proportions, Bayesian species delimitation and coalescent methods) to assess delimitations of these species and on this basis, describe a new species, N. palssonae M.W.Chase & Christenh. A map of species distributions and key to the species of the N. megalosiphon species complex are also provided.

SB24021 Abstract  |  SB24021 Full Text  | SB24021PDF (12.1 MB)  | SB24021Supplementary Material (537 KB)   Open Access Article

Published online 29 October 2024

SB24004Standing on the shoulders of giants: molecular data confirm Kükenthal’s systematic placement of the Australian endemic Carex archeri (Cyperaceae)

Ana Morales-Alonso 0000-0003-1497-1070, Karen Wilson 0000-0001-7419-8222, Kerry A. Ford, Mónica Míguez, Pedro Jiménez-Mejías and Santiago Martín-Bravo
 

Images of inflorescence structures of a Carex archeri specimen (CHR-601143) – left to right: spike, utricle and achene.

The systematic affinities and biogeographic history of the Australian endemic Carex archeri are assessed for the first time. This species has traditionally been associated with different sections belonging to four of the six currently recognised Carex subgenera, however our robust results imply that C. archeri is the only representative of the subgenus in Australia. We discuss the biogeographic pattern and present a complete conservation assessment following IUCN categories and criteria. (Image credit: Ana Morales-Alonso.)

SB24004 Abstract  | PDF (1.3 MB) - $60.00 
Published online 23 October 2024

SB24006An annotated checklist of Syzygium subgenus Sequestratum (Myrtaceae)

Virva M. M. Lyytikäinen, Sebastian A. Hatt 0000-0003-4887-3508, Yee Wen Low 0000-0002-0939-9068, David F. R. P. Burslem and Eve J. Lucas
 

We present an annotated checklist of the 29 species comprising Syzygium subg. Sequestratum. Commonly occurring characters include glaucescence in the hypanthium, funnel-shaped flowers <10 mm long and coriaceous leaves with dark drying petioles in contrast to a paler leaf blade. This checklist provides a foundation for future taxonomic revision of this clade, from an early branching node in the tree of life of the world’s largest tropical tree genus.

SB24006 Abstract  | PDF (7.3 MB) - $60.00 
Published online 16 October 2024

SB23032Species delimitations in the Campomanesia xanthocarpa group (Myrtaceae): insights from molecular markers and taxonomy

Marla Ibrahim Uehbe de Oliveira 0000-0001-8034-6068, João Paulo Silva Vieira, Cássio van den Berg, Ligia Silveira Funch and Reyjane Patrícia de Oliveira
 

Inclusive schematic representation of species delimitations in the genus Campomanesia Ruiz & Pavón.

Species of Campomanesia are economically important, being used for food and in forestry. Some of these are morphologically similar, raising doubts regarding identification. Seeking to solve this, we performed population genetic analyses with a complex of species: Campomanesia adamantium, C. costata, C. littoralis and C. xanthocarpa. Results indicated the re-establishment of Campomanesia rhombea and complexity of C. adamantium that should be explored based on additional tools. This study improves our understanding of the taxonomy of the genus. (Image credit: M. Ibrahim Uehbe de Oliveira.)

SB23032 Abstract  | PDF (8.6 MB) - $60.00   | SB23032Supplementary Material (373 KB)
Published online 04 September 2024

SB23029East rarely meets West: a revised delimitation for Pultenaea (Fabaceae: Mirbelieae) with reinstatement of Euchilus and three new genera from south-west Western Australia

Russell L. Barrett 0000-0003-0360-8321, James A. R. Clugston 0000-0002-3653-6953, Lindy A. Orthia, Lyn G. Cook, Michael D. Crisp, Brendan J. Lepschi, Terry D. Macfarlane 0000-0002-7023-9231, Peter H. Weston and Carolyn F. Wilkins
 

Photograph of Euchilus obcordatus of the tribe Mirbelieae.

The bush-pea genus (Pultenaea) is one of the larger legume genera in Australia but has been difficult to define. We present a new classification of the group, recognising five genera instead of one using a large DNA based analysis of relationships. Three genera are newly described and one genus is reinstated, and these are almost entirely restricted to south-west Western Australia, with true Pultenaea being mostly restricted to eastern Australia. (Photograph by Russell Barrett.)

This article belongs to the collection Genomics for Australian Plants.

SB23029 Abstract  |  SB23029 Full Text  | SB23029PDF (6 MB)   Open Access Article

Published online 17 July 2024

SB23028Elachanthus, Isoetopsis and Kippistia are nested in the genus Minuria (Asteraceae: Astereae)

Alexander N. Schmidt-Lebuhn 0000-0002-7402-8941, Stephanie H. Chen 0000-0001-8844-6864 and Alicia Grealy
 

Photographs of Minuria cunninghamii, Minuria leptophylla and Isoetopsis gramninifolia.

We conducted a phylogenetic analysis of Minuria and related genera and found that Elachanthus, Isoetopsis, and Kippistia phylogenetically nested in Minuria. Before 1980, Kippistia had long been considered part of Minuria. Morphological examination showed many similarities between Eleachanthus, Isoetopsis, and annual species of Minuria. We publish new combinations for four species, synonymising the three smaller genera. (Image credit: Alexander Schmidt-Lebuhn.)

This article belongs to the collection Genomics for Australian Plants.

SB23028 Abstract  |  SB23028 Full Text  | SB23028PDF (3.4 MB)  | SB23028Supplementary Material (146 KB)   Open Access Article

Published online 04 June 2024

SB23031Embracing biodiversity: multispecies population genomics of leafless Bossiaea species shows novel taxa, population dynamics and conservation strategies

Eilish S. McMaster 0000-0002-7415-8690, Jia-Yee S. Yap 0000-0002-9141-6006, Keith L. McDougall, Elizabeth A. James, Neville Walsh 0000-0003-4671-1425, Nic Jario, Jessica Peterie and Maurizio Rossetto 0000-0002-4878-9114
 

A photograph of Bossiaea bombayensis, and a SplitsTree phylogenetic network of seven Bossiaea species.

This study investigates the population dynamics, diversity and taxonomy of leafless Bossiaea species, a distinctive group of Australian plants, by using whole-genome single-nucleotide polymorphism data. The findings suggest recognition of a new subspecies, Bossiaea vombata subsp. orientalis, and a change in status for B. milesiae to B. fragrans subsp. milesiae. We also highlight challenges in reproduction and gene flow among Bossiaea populations, emphasising the need for coordinated conservation efforts. (Image credit: Keith McDougall.)

SB23031 Abstract  |  SB23031 Full Text  | SB23031PDF (15.6 MB)  | SB23031Supplementary Material (240 KB)   Open Access Article

Just Accepted

These articles have been peer reviewed and accepted for publication. They are still in production and have not been edited, so may differ from the final published form.

Most Read

The Most Read ranking is based on the number of downloads in the last 60 days from papers published on the CSIRO PUBLISHING website within the last 12 months. Usage statistics are updated daily.

  3. Nine new species of Australian Nicotiana (Solanaceae)

    Australian Systematic Botany 36 (3)
    Mark W. Chase 0000-0002-9927-4938, Maarten J. M. Christenhusz 0000-0003-1398-8743, Luiz A. Cauz-Santos 0000-0003-1694-2433, Felipe Nollet 0000-0002-1362-685X, Jeremy J. Bruhl 0000-0001-9112-4436, Damien D. Andrew 0000-0001-8675-066X, Ruth Palsson 0000-0003-1460-8239, Richard W. Jobson 0000-0002-1822-9634, Guy M. Taseski 0000-0003-2243-3408, Rosabelle Samuel 0000-0003-0197-4854

Collections

Collections are a curation of articles relevant to a topical research area

Genomics for Australian Plants

The Genomics for Australian Plants Collection brings together outputs from activity across the three GAP streams: reference genomes, phylogenomics and conservation genomics. Taken together, the papers in this collection illustrate the challenges, potential future directions and unmitigated successes of this national-scale collaborative project. They underscore the value of a multi-institutional consortium approach and emphasise key facilitators such as carefully curated herbarium collections and national collaborative research infrastructure.

Collection Editors
Darren Crayn, Dan Murphy and Caroline Puente-Lelievre

Last Updated: 20 May 2024

Diversity Through Time

This Collection highlights integrative research exploring 'Diversity through time': the connection between evolutionary history and spatial distribution. This Collection was assembled to celebrate the XIX International Botanical Congress held in Shenzhen - the first IBC to be held in China. This landmark event highlights the rapid progress made in establishing the People’s Republic of China as one of the globally-leading research nations and provides a unique opportunity to explore collaborative research, involving botanists from all nations, to tackle the pressing need to manage the conservation of plant diversity.

Last Updated: 16 Jun 2017

Biogeography

Australian Systematic Botany is an international journal with a focus on the systematics of plants, algae and fungi. In this virtual issue, released to coincide with the Botany 2016 conference in Savannah, USA, we have selected some older and more recent significant articles in the areas of biogeography, systematics and palaeobotany, including controversial debate in these research fields.

Last Updated: 30 Jun 2016

Committee on Publication Ethics

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Best Student Paper

The Best Student Paper published in 2023 has been awarded to Harvey K. Orel.

Plant Systematics and Biogeography in the Australasian Tropics

Special Issues vol. 31 nos 5 & 6, vol. 32 nos 2 & 3 and vol. 32 no. 4 form special editions on Plant Systematics and Biogeography in the Australasian Tropics containing Part 1, Part 2 & Part 3, respectively.

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