Molecular phylogeny and taxonomy of the Hydrangea serrata complex (Hydrangeaceae) in western Japan, including a new subspecies of H. acuminata from Yakushima

According to the contemporary classification of Hydrangea native to Japan, H. serrata is a polymorphic species including six varieties. We discovered a plant identified as H. serrata, but morphologically distinct from previously known varieties, in Yakushima island where approximately 50 endemic spe...

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Main Authors: Shun K. Hirota, Tetsukazu Yahara, Kengo Fuse, Hiroyuki Sato, Shuichiro Tagane, Shinji Fujii, Tadashi Minamitani, Yoshihisa Suyama
Format: Article
Language:English
Published: Pensoft Publishers 2022-01-01
Series:PhytoKeys
Online Access:https://phytokeys.pensoft.net/article/64259/download/pdf/
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author Shun K. Hirota
Tetsukazu Yahara
Kengo Fuse
Hiroyuki Sato
Shuichiro Tagane
Shinji Fujii
Tadashi Minamitani
Yoshihisa Suyama
author_facet Shun K. Hirota
Tetsukazu Yahara
Kengo Fuse
Hiroyuki Sato
Shuichiro Tagane
Shinji Fujii
Tadashi Minamitani
Yoshihisa Suyama
author_sort Shun K. Hirota
collection DOAJ
description According to the contemporary classification of Hydrangea native to Japan, H. serrata is a polymorphic species including six varieties. We discovered a plant identified as H. serrata, but morphologically distinct from previously known varieties, in Yakushima island where approximately 50 endemic species are known. To determine the relationship of this plant with previously known varieties, we examined morphology and constructed a highly resolved phylogeny of H. serrata and its relatives using three chloroplast genomic regions, rbcL, trnL intron, psbA-trnH, and two nuclear genomic regions, ITS1 and ITS2, and Multiplex ISSR genotyping by sequencing (MIG-seq). Based on these morphological and phylogenetic observations, we describe Hydrangea acuminata subsp. yakushimensis subsp. nov. as a newly discovered lineage in Yakushima, Japan and propose Hydrangea minamitanii stat. nov. and Hydrangea acuminata subsp. australis stat. nov. which were previously treated as varieties of H. serrata.
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spelling doaj.art-9869d613bcf540e59a82012b22053a992022-12-22T04:12:20ZengPensoft PublishersPhytoKeys1314-20032022-01-01188497110.3897/phytokeys.188.6425964259Molecular phylogeny and taxonomy of the Hydrangea serrata complex (Hydrangeaceae) in western Japan, including a new subspecies of H. acuminata from YakushimaShun K. Hirota0Tetsukazu Yahara1Kengo Fuse2Hiroyuki Sato3Shuichiro Tagane4Shinji Fujii5Tadashi Minamitani6Yoshihisa Suyama7Tohoku UniversityKyushu Open UniversityKyushu Open UniversityKyushu Open UniversityKagoshima UniversityUniversity of Human EnvironmentsTsunehisa 5-4-7Tohoku UniversityAccording to the contemporary classification of Hydrangea native to Japan, H. serrata is a polymorphic species including six varieties. We discovered a plant identified as H. serrata, but morphologically distinct from previously known varieties, in Yakushima island where approximately 50 endemic species are known. To determine the relationship of this plant with previously known varieties, we examined morphology and constructed a highly resolved phylogeny of H. serrata and its relatives using three chloroplast genomic regions, rbcL, trnL intron, psbA-trnH, and two nuclear genomic regions, ITS1 and ITS2, and Multiplex ISSR genotyping by sequencing (MIG-seq). Based on these morphological and phylogenetic observations, we describe Hydrangea acuminata subsp. yakushimensis subsp. nov. as a newly discovered lineage in Yakushima, Japan and propose Hydrangea minamitanii stat. nov. and Hydrangea acuminata subsp. australis stat. nov. which were previously treated as varieties of H. serrata.https://phytokeys.pensoft.net/article/64259/download/pdf/
spellingShingle Shun K. Hirota
Tetsukazu Yahara
Kengo Fuse
Hiroyuki Sato
Shuichiro Tagane
Shinji Fujii
Tadashi Minamitani
Yoshihisa Suyama
Molecular phylogeny and taxonomy of the Hydrangea serrata complex (Hydrangeaceae) in western Japan, including a new subspecies of H. acuminata from Yakushima
PhytoKeys
title Molecular phylogeny and taxonomy of the Hydrangea serrata complex (Hydrangeaceae) in western Japan, including a new subspecies of H. acuminata from Yakushima
title_full Molecular phylogeny and taxonomy of the Hydrangea serrata complex (Hydrangeaceae) in western Japan, including a new subspecies of H. acuminata from Yakushima
title_fullStr Molecular phylogeny and taxonomy of the Hydrangea serrata complex (Hydrangeaceae) in western Japan, including a new subspecies of H. acuminata from Yakushima
title_full_unstemmed Molecular phylogeny and taxonomy of the Hydrangea serrata complex (Hydrangeaceae) in western Japan, including a new subspecies of H. acuminata from Yakushima
title_short Molecular phylogeny and taxonomy of the Hydrangea serrata complex (Hydrangeaceae) in western Japan, including a new subspecies of H. acuminata from Yakushima
title_sort molecular phylogeny and taxonomy of the hydrangea serrata complex hydrangeaceae in western japan including a new subspecies of h acuminata from yakushima
url https://phytokeys.pensoft.net/article/64259/download/pdf/
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