Validation of Hosta alata (Asparagaceae) as a new species and its phylogenetic affinity

Tetsukazu Yahara, Shun K. Hirota, Kengo Fuse, Hiroyuki Sato, Shuichiro Tagane, Yoshihisa Suyama

Research output: Contribution to journalArticlepeer-review

Abstract

Molecular phylogenetic studies of Hosta pulchella (Asparagaceae) and its relatives, which are native to Japan, have been conducted and resulted in a highly resolved phylogeny. Specifically, the relationship of H. pulchella to H. alata Hatusima, nom. nud. is investigated. These data include genome-wide SNPs obtained through conducting multiplexed ISSR genotyping by sequencing (MIG-seq). Based on these phylogenetic results, morphological observations, distribution, and differences in flowering periods of H. alata collections sympatric with H. pulchella, we find the two species closely related, but distinct. As such, we formally describe Hosta alata sp. nov. from the Oita Prefecture of Kyushu island, southwestern Japan.

Original languageEnglish
Pages (from-to)79-93
Number of pages15
JournalPhytoKeys
Volume181
DOIs
Publication statusPublished - 2021

Keywords

  • Flowering season
  • MIG-seq
  • next generation sequencing
  • reproductive isolation
  • threatened species

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science

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