{
  "abstract": "Gastrochilus immaculatus (Orchidaceae) is described and illustrated as a new species from Chongqing, southwestern China, where it grows epiphytically on tree trunks or rock walls in evergreen broad-leaved forests. It differs from the morphologically similar G. fargesii by its shorter stems, broader falcate-oblong leaves, and, especially, its golden-yellow immaculate flowers with a rather acute apex of the hypochile. Phylogenetic analyses based on nuclear ITS and four chloroplast markers (matK, psbA-trnH, psbM-trnD, and trnL-F) strongly support it as a sister species of G. fargesii within G. sect. Acinacifolii. Only three small subpopulations were discovered within a scenic spot in a deep limestone valley in southern Chongqing, warranting a preliminary IUCN classification of Critically Endangered (CR). This discovery also highlights the overlooked epiphytic orchid diversity along the mountain ranges surrounding the Sichuan Basin.",
  "abstract_shown": true,
  "affiliations": [
    "College of Life Sciences, Sichuan University, Chengdu 610064, China College of Life Sciences, Sichuan University Chengdu China https://ror.org/011ashp19.",
    "University of Chinese Academy of Sciences, Beijing 10049, China University of Chinese Academy of Sciences Beijing China https://ror.org/05qbk4x57.",
    "Wolong National Natural Reserve Administration Bureau, Wenchuan 623006, China Wolong National Natural Reserve Administration Bureau Wenchuan China.",
    "Chongqing Agricultural Ecology and Resource Protection Station, Chongqing 401121, China Chongqing Agricultural Ecology and Resource Protection Station Chongqing China https://ror.org/023rhb549.",
    "Chongqing Academy of Agriculture Sciences, Chongqing 401329, China Chongqing Academy of Agriculture Sciences Chongqing China.",
    "Chongqing Museum of Natural History, Chongqing 400799, China Chongqing Museum of Natural History Chongqing China."
  ],
  "article_type": "research article",
  "arxiv": null,
  "author_total": 9,
  "authors": [
    {
      "affs": [
        0,
        1
      ],
      "name": "Jun-Yi Zhang",
      "orcid": "0000-0001-8325-5954"
    },
    {
      "name": "Min Liao",
      "orcid": "0000-0001-6777-8579"
    },
    {
      "affs": [
        2
      ],
      "name": "Pan-Yan Yang",
      "orcid": "0000-0003-0346-0443"
    },
    {
      "affs": [
        2
      ],
      "name": "Yue-Hong Cheng",
      "orcid": "0000-0001-6263-0989"
    },
    {
      "affs": [
        3
      ],
      "name": "Jin-Zhong Wu"
    },
    {
      "affs": [
        3
      ],
      "name": "Peng-Cheng Zhang"
    },
    {
      "affs": [
        4
      ],
      "name": "Ding-Xiang Yu",
      "orcid": "0000-0002-7467-1769"
    },
    {
      "affs": [
        5
      ],
      "name": "Feng Chen",
      "orcid": "0000-0003-3398-8900"
    },
    {
      "affs": [
        1
      ],
      "name": "Bo Xu",
      "orcid": "0000-0003-3507-9321"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/02pxpktdrpfsg.bib",
  "cited_by": 0,
  "doi": "10.3897/phytokeys.280.206936",
  "fulltext_url": "https://europepmc.org/articles/PMC13717513",
  "id": "02pxpktdrpfsg",
  "issns": [
    "1314-2011",
    "1314-2003"
  ],
  "landing_url": "https://europepmc.org/article/MED/42959720",
  "language": "eng",
  "licence": "CC-BY",
  "licence_label": "CC BY",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "heading",
      "Asia"
    ],
    [
      "heading",
      "Cenozoic"
    ],
    [
      "heading",
      "Orchidaceae"
    ],
    [
      "heading",
      "Phylogeny"
    ],
    [
      "heading",
      "Research Article"
    ],
    [
      "heading",
      "Taxonomy"
    ],
    [
      "openalex",
      "1312|Plant and Fungal Species Descriptions"
    ]
  ],
  "openalex": "W7222935023",
  "pdf_url": "https://europepmc.org/articles/PMC13717513?pdf=render",
  "pmcid": "PMC13717513",
  "pmid": "42959720",
  "published": "2026-10-19",
  "publisher": "Pensoft Publishers",
  "ris": "https://research.draconitic.com/paper/02pxpktdrpfsg.ris",
  "sources": [
    {
      "first_seen": "2026-11-01T00:20:50Z",
      "native_id": "MED:42959720",
      "source": "europepmc",
      "url": "https://europepmc.org/article/MED/42959720"
    },
    {
      "first_seen": "2026-11-02T12:21:49Z",
      "native_id": "PMC13717513",
      "source": "pmc",
      "url": "https://doi.org/10.3897/phytokeys.280.206936"
    }
  ],
  "subjects": [
    {
      "field": "biochemistry",
      "origin": "openalex:1312|Plant and Fungal Species Descriptions",
      "subfield": "molecular-biology"
    }
  ],
  "title": "Gastrochilus immaculatus (Orchidaceae, Epidendroideae), a new epiphytic orchid from Chongqing, Southwest China.",
  "title_text": "Gastrochilus immaculatus (Orchidaceae, Epidendroideae), a new epiphytic orchid from Chongqing, Southwest China.",
  "type": "peer-reviewed",
  "updated_at": "2026-11-02T12:21:49Z",
  "url": "https://research.draconitic.com/paper/02pxpktdrpfsg",
  "venue": "PhytoKeys",
  "versions": []
}