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<p>Members of the genus <i>Peucedanum</i> (Apiaceae) are used as vegetables or medicinal materials but exhibit high morphological and chemical diversity, complicating their taxonomy. Here, we applied ultra-high-performance liquid chromatography–quadrupole/time-of-flight mass spectrometry and field emission scanning electron microscopy to 24 Korean <i>Peucedanum</i> accessions from eight species, including five endemics. Multivariate analysis separated the genus into three distinct chemotaxonomic groups, supporting recent reclassification trends. <i>P</i>. <i>japonicum</i>, the source of Peucedani Japonici Radix, contained three unique pyranocoumarin derivatives and dense wax deposits, serving as chemotaxonomic biomarkers and distinguishing <i>Sinopeucedanum</i> from <i>Peucedanum</i>. <i>Sillaphyton podagraria</i> (formerly <i>P. insolens</i>) featured two flavonoid glucoside derivatives and hypostomatic, densely striated-surface leaves. Six species contained coumarin glucoside derivatives, supporting segregation of <i>Peucedanum</i> sensu lato to <i>Kitagawia</i>. These findings refine species boundaries and provide new perspectives for future taxonomic studies, while identifying robust chemical markers applicable to food authentication, quality control, and functional food development involving Peucedani Japonici Radix.</p>

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Integrative chemotaxonomic and micromorphological insights into Peucedanum (Apiaceae)

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月17日

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  • Seung Mok Ryu,
  • Kyeonghee Kim,
  • Yujin Jeon,
  • Hyo seon Kim,
  • Young Hye Seo,
  • Sungyu Yang,
  • Goya Choi,
  • Jun Lee,
  • Jun-Ho Song

摘要

Members of the genus Peucedanum (Apiaceae) are used as vegetables or medicinal materials but exhibit high morphological and chemical diversity, complicating their taxonomy. Here, we applied ultra-high-performance liquid chromatography–quadrupole/time-of-flight mass spectrometry and field emission scanning electron microscopy to 24 Korean Peucedanum accessions from eight species, including five endemics. Multivariate analysis separated the genus into three distinct chemotaxonomic groups, supporting recent reclassification trends. P. japonicum, the source of Peucedani Japonici Radix, contained three unique pyranocoumarin derivatives and dense wax deposits, serving as chemotaxonomic biomarkers and distinguishing Sinopeucedanum from Peucedanum. Sillaphyton podagraria (formerly P. insolens) featured two flavonoid glucoside derivatives and hypostomatic, densely striated-surface leaves. Six species contained coumarin glucoside derivatives, supporting segregation of Peucedanum sensu lato to Kitagawia. These findings refine species boundaries and provide new perspectives for future taxonomic studies, while identifying robust chemical markers applicable to food authentication, quality control, and functional food development involving Peucedani Japonici Radix.