An investigation of large-leaved Gunnera L. (Gunneraceae) grown outside in Britain and Ireland

A molecular investigation of large-leaved Gunnera growing outside in Britain and Ireland was conducted. Two low-copy nuclear CYCLOIDEA-like genes (CYC-like 1 and CYC-like 2) and two chloroplast DNA regions (matK and psbD-trnT) were sequenced for 271 samples of Gunnera. While it was confirmed that g...

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Main Authors: Dawn Edwards, James Armitage, Jordan Bilsborrow, John David, Marlene Gebauer, Gustavo Hassemer, Julian Shaw, Micheline Sheehy Skeffington, Kálmán Könyves
Format: Article
Language:English
Published: Royal Botanic Garden Edinburgh 2023-12-01
Series:Sibbaldia
Subjects:
Online Access:https://journals.rbge.org.uk/rbgesib/article/view/1998
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author Dawn Edwards
James Armitage
Jordan Bilsborrow
John David
Marlene Gebauer
Gustavo Hassemer
Julian Shaw
Micheline Sheehy Skeffington
Kálmán Könyves
author_facet Dawn Edwards
James Armitage
Jordan Bilsborrow
John David
Marlene Gebauer
Gustavo Hassemer
Julian Shaw
Micheline Sheehy Skeffington
Kálmán Könyves
author_sort Dawn Edwards
collection DOAJ
description A molecular investigation of large-leaved Gunnera growing outside in Britain and Ireland was conducted. Two low-copy nuclear CYCLOIDEA-like genes (CYC-like 1 and CYC-like 2) and two chloroplast DNA regions (matK and psbD-trnT) were sequenced for 271 samples of Gunnera. While it was confirmed that genuine G. tinctoria is growing both in cultivation and in the wild, the results support recently published morphological and historical findings that the species G. manicata appears no longer to be present in Britain and Ireland. Instead, the plant under this name is G. × cryptica, a hybrid between G. manicata and G. tinctoria. The implication of this discovery for legislation on invasive non-native species where G. manicata and G. tinctoria are listed is explored.
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spelling doaj.art-51a80e4aa70e458a955d02f12fb2cf3a2023-12-10T06:03:06ZengRoyal Botanic Garden EdinburghSibbaldia2513-92312023-12-0122An investigation of large-leaved Gunnera L. (Gunneraceae) grown outside in Britain and IrelandDawn Edwards0https://orcid.org/0000-0001-5919-5103James ArmitageJordan Bilsborrowhttps://orcid.org/0000-0002-4404-9514John DavidMarlene GebauerGustavo Hassemerhttps://orcid.org/0000-0003-4365-6934Julian ShawMicheline Sheehy SkeffingtonKálmán Könyveshttps://orcid.org/0000-0002-8303-1544Royal Horticultural Society A molecular investigation of large-leaved Gunnera growing outside in Britain and Ireland was conducted. Two low-copy nuclear CYCLOIDEA-like genes (CYC-like 1 and CYC-like 2) and two chloroplast DNA regions (matK and psbD-trnT) were sequenced for 271 samples of Gunnera. While it was confirmed that genuine G. tinctoria is growing both in cultivation and in the wild, the results support recently published morphological and historical findings that the species G. manicata appears no longer to be present in Britain and Ireland. Instead, the plant under this name is G. × cryptica, a hybrid between G. manicata and G. tinctoria. The implication of this discovery for legislation on invasive non-native species where G. manicata and G. tinctoria are listed is explored. https://journals.rbge.org.uk/rbgesib/article/view/1998Britain and Irelandcultivated large-leaved GunneraCYC-likeGunnera × crypticaheterozygosityhybrid
spellingShingle Dawn Edwards
James Armitage
Jordan Bilsborrow
John David
Marlene Gebauer
Gustavo Hassemer
Julian Shaw
Micheline Sheehy Skeffington
Kálmán Könyves
An investigation of large-leaved Gunnera L. (Gunneraceae) grown outside in Britain and Ireland
Sibbaldia
Britain and Ireland
cultivated large-leaved Gunnera
CYC-like
Gunnera × cryptica
heterozygosity
hybrid
title An investigation of large-leaved Gunnera L. (Gunneraceae) grown outside in Britain and Ireland
title_full An investigation of large-leaved Gunnera L. (Gunneraceae) grown outside in Britain and Ireland
title_fullStr An investigation of large-leaved Gunnera L. (Gunneraceae) grown outside in Britain and Ireland
title_full_unstemmed An investigation of large-leaved Gunnera L. (Gunneraceae) grown outside in Britain and Ireland
title_short An investigation of large-leaved Gunnera L. (Gunneraceae) grown outside in Britain and Ireland
title_sort investigation of large leaved gunnera l gunneraceae grown outside in britain and ireland
topic Britain and Ireland
cultivated large-leaved Gunnera
CYC-like
Gunnera × cryptica
heterozygosity
hybrid
url https://journals.rbge.org.uk/rbgesib/article/view/1998
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