Molecular and morphological analyses support recognition of Prostanthera volucris (Lamiaceae), a new species from the Central Tablelands of New South Wales

Ryan P. O’Donnell; Jeremy J. Bruhl; Ian R. H. Telford; Trevor C. Wilson; Heidi C. Zimmer; Guy M. Taseski; Rose L. Andrew

doi:10.1071/SB22017

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Molecular and morphological analyses support recognition of Prostanthera volucris (Lamiaceae), a new species from the Central Tablelands of New South Wales

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Molecular and morphological analyses support recognition of Prostanthera volucris (Lamiaceae), a new species from the Central Tablelands of New South Wales

Ryan P. O’Donnell, Jeremy J. Bruhl, Ian R. H. Telford, Trevor C. Wilson, Heidi C. Zimmer, Guy M. Taseski and Rose L. Andrew

Australian systematic botany, Vol.36(1), pp.1-20

08/02/2023

DOI: https://doi.org/10.1071/SB22017

Appears in Recent Faculty of Science and Engineering Publications

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Abstract

critically endangered

Lamiaceae

population genomics

species delimitation

systematics

taxonomy

DArTseq

genotyping-by-sequencing

Research into the systematics of Prostanthera recently revealed close evolutionary relationship among P. phylicifolia sens. str., the critically endangered P. gilesii, and a population of uncertain identity from the Central Tablelands of New South Wales (NSW), Australia. Previous analyses were unable to establish whether genetic boundaries separated these taxa. This study assessed species boundaries among these three taxa by using a combination of single-nucleotide polymorphisms (SNPs) sampled at the population-scale and multivariate analysis of morphological characters. Ordination, model-based clustering, F-statistics, neighbour-network analysis, phylogenetic analysis, and ancestry coefficient estimates all provided support for discrete genetic differences among the three taxa. Morphological phenetic analysis recovered congruent morphological clusters and identified a suite of corresponding diagnostic characters. This congruence of molecular and morphological evidence supports the presence of three independently evolving lineages, two of which correspond with the previously described P. gilesii and P. phylicifolia sens. str. The third taxon, represented by a single population from the Central Tablelands of NSW, is here described as P. volucris R.P.O’Donnell. A detailed description, diagnostic line drawings and photographs are provided. We evaluate P. volucris as satisfying criteria to be considered Critically Endangered.

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Title: Molecular and morphological analyses support recognition of Prostanthera volucris (Lamiaceae), a new species from the Central Tablelands of New South Wales
Creators: Ryan P. O’Donnell - University of New England
Jeremy J. Bruhl - University of New England
Ian R. H. Telford - University of New England
Trevor C. Wilson - National Herbarium of New South Wales, Australian Institute of Botanical Science
Heidi C. Zimmer - Centre for Australian National Biodiversity Research
Guy M. Taseski - UNSW Sydney
Rose L. Andrew - University of New England
Publication Details: Australian systematic botany, Vol.36(1), pp.1-20
Publisher: CSIRO Publishing
Number of pages: 20
Identifiers: 991013101269302368
Copyright: © 2023 The Author(s) (or their employer(s)). Published by CSIRO Publishing. This is an open access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND) (https://creativecommons.org/licenses/by-nc-nd/4.0/).
Academic Unit: Faculty of Science and Engineering
Language: English
Resource Type: Journal article

Molecular and morphological analyses support recognition of Prostanthera volucris (Lamiaceae), a new species from the Central Tablelands of New South Wales

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