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  11. Re-discovery And Taxonomic Clarification Of Oreocharisleveilleana (gesneriaceae) In Guizhou, China, Over 100 Years

Re-discovery and taxonomic clarification of Oreocharisleveilleana (Gesneriaceae) in Guizhou, China, over 100 years

Xiao-Kai Xiong1, Song-Tao He1, Yu-Lu Zhou1

  • 1College of Forestry, Guizhou University, CN-550025, Guiyang, Guizhou, China Guizhou University Guiyang China.

Phytokeys
|May 20, 2024

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View abstract on PubMed

Summary
This summary is machine-generated.

Oreocharis leveilleana, a plant not seen for over 100 years, has been rediscovered in Guizhou, China. It is now reclassified as Petrocodon leveilleanus, clarifying its taxonomic position and unique bright red flowers.

Area of Science:

  • Botany
  • Taxonomy
  • Biodiversity research

Background:

  • Oreocharis leveilleana was first collected in 1910 in Guizhou, China, with no subsequent records for over a century.
  • Previous taxonomic classifications treated O. leveilleana as a synonym of O. auricula, indicating potential unresolved taxonomic issues.

Purpose of the Study:

  • To re-evaluate the taxonomic status of Oreocharis leveilleana based on new field data and historical records.
  • To clarify the identity and generic placement of O. leveilleana and its relationship with Petrocodon coccineus.

Main Methods:

  • Extensive field investigations in the type locality and surrounding areas in Guizhou Province, China.
  • Morphological analysis of specimens.
  • Review of original literature, type specimens, and geographical distribution data.
Keywords:
OreocharisPetrocodonPetrocodoncoccineusnew combination

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  • Application of the International Code of Nomenclature for Algae, Fungi, and Plants (Shenzhen Code).

    • Main Results:

    • Oreocharis leveilleana is widely distributed in western Luodian County and eastern Wangmo County, Guizhou Province.
    • Morphological and distributional analyses indicate that O. leveilleana belongs to the genus Petrocodon.
    • The species is identified as conspecific with Petrocodon coccineus.
    • A new combination, Petrocodon leveilleanus (Fedde) X.X.Bai & F.Wen, is proposed, with P. coccineus treated as a synonym.

    Conclusions:

    • The rediscovery and reclassification of Oreocharis leveilleana as Petrocodon leveilleanus resolve a long-standing taxonomic problem.
    • This study clarifies the identity of a plant with unique bright red flowers within the Petrocodon genus.
    • The findings contribute to the understanding of plant diversity and taxonomy in Guizhou, China.
    synonym