{
  "$schema": "https://botanai.app/schema/species-v1.json",
  "schema_version": 1,
  "url": "https://botanai.app/plants/zelkova-serrata/",
  "last_modified": "2026-01-12",
  "id": {
    "slug": "zelkova-serrata",
    "wfo": "wfo-0001143208",
    "inat_taxon_id": 129055
  },
  "name": {
    "scientific": "Zelkova serrata",
    "authorship": "(Thunb.) Makino",
    "genus": "Zelkova",
    "epithet": "serrata",
    "family": "Ulmaceae",
    "rank": "species",
    "taxonomic_status": "accepted",
    "accepted_according_to": "World Flora Online Plant List, 2026-06",
    "is_homonym": false,
    "published_in": "Bot. Mag. (Tokyo)  17: 13 (1903)",
    "protologue_url": "https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:858079-1",
    "common": {
      "preferred": "Japanese Zelkova",
      "english": [
        "Japanese Zelkova",
        "Japanese zelkova",
        "Japanese-elm",
        "keyaki",
        "saw-leaf zelkova",
        "water-elm"
      ],
      "source": "wikidata"
    },
    "synonyms": [
      {
        "name": "Abelicea acuminata",
        "authorship": "Kuntze"
      },
      {
        "name": "Abelicea hirta",
        "authorship": "Schneider"
      },
      {
        "name": "Abelicea keaki",
        "authorship": "(K.Koch) C.K.Schneid."
      },
      {
        "name": "Abelicea serrata",
        "authorship": "Makino"
      },
      {
        "name": "Corchorus serratus",
        "authorship": "Thunb."
      },
      {
        "name": "Planera acuminata",
        "authorship": "Lindl."
      },
      {
        "name": "Planera japonica",
        "authorship": "Miq."
      },
      {
        "name": "Planera kaki",
        "authorship": "hort. ex Planch."
      },
      {
        "name": "Planera keaki",
        "authorship": "K.Koch"
      },
      {
        "name": "Ulmus keaki",
        "authorship": "Siebold"
      },
      {
        "name": "Ulmus keia-ki",
        "authorship": "Planch."
      },
      {
        "name": "Zelkova acuminata",
        "authorship": "(Lindl.) Planch."
      },
      {
        "name": "Zelkova formosana",
        "authorship": "Hayata"
      },
      {
        "name": "Zelkova hirta",
        "authorship": "(C.K.Schneid.) C.K.Schneid."
      },
      {
        "name": "Zelkova japonica",
        "authorship": "Dippel"
      },
      {
        "name": "Zelkova keaki",
        "authorship": "Maxim."
      },
      {
        "name": "Zelkova serrata var. longifolia",
        "authorship": "Nakai"
      },
      {
        "name": "Zelkova serrata var. stipulacea",
        "authorship": "(Franch. & Sav.) Makino"
      },
      {
        "name": "Zelkova serrata var. tarokoensis",
        "authorship": "(Hayata) H.L.Li"
      },
      {
        "name": "Zelkova stipulacea",
        "authorship": "Franch. & Sav."
      },
      {
        "name": "Zelkova tarokoensis",
        "authorship": "Hayata"
      }
    ],
    "wikipedia": "https://en.wikipedia.org/wiki/Zelkova_serrata"
  },
  "photographs": {
    "shown": 8,
    "usable_found": 129,
    "licences": [
      "CC0",
      "CC-BY"
    ],
    "noncommercial_excluded": true,
    "items": [
      {
        "photo_id": 179903882,
        "license": "CC0",
        "license_name": "CC0 1.0",
        "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
        "derivatives_restricted": false,
        "creator": "葉子",
        "creator_url": "https://www.inaturalist.org/people/leaf0605",
        "source_url": "https://www.inaturalist.org/observations/7b34b39d-93bb-4ab2-acd8-38ceeb6b0125",
        "observed_on": "2022-02-11",
        "lat": 23.979,
        "lon": 121.135,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/179903882/r1/400.avif",
            "800": "https://img.botanai.app/p/179903882/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/179903882/r1/400.jpg",
            "800": "https://img.botanai.app/p/179903882/r1/800.jpg"
          }
        },
        "attribution": "葉子, CC0 1.0, via iNaturalist"
      },
      {
        "photo_id": 173289645,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Jacy Chen",
        "creator_url": "https://www.inaturalist.org/people/chenjacy",
        "source_url": "https://www.inaturalist.org/observations/eaf659ac-b1c7-4fb4-bb1f-b249e1ff4d36",
        "observed_on": "2021-12-09",
        "lat": 23.657,
        "lon": 120.883,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/173289645/r1/400.avif",
            "800": "https://img.botanai.app/p/173289645/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/173289645/r1/400.jpg",
            "800": "https://img.botanai.app/p/173289645/r1/800.jpg"
          }
        },
        "attribution": "Jacy Chen, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 171156101,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Marco Mussita",
        "creator_url": "https://www.inaturalist.org/people/belvedere04",
        "source_url": "https://www.inaturalist.org/observations/b4c2c901-a194-42ae-b637-e16c928680ff",
        "observed_on": "2021-12-02",
        "lat": 35.711,
        "lon": 139.848,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/171156101/r1/400.avif",
            "800": "https://img.botanai.app/p/171156101/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/171156101/r1/400.jpg",
            "800": "https://img.botanai.app/p/171156101/r1/800.jpg"
          }
        },
        "attribution": "Marco Mussita, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 140565467,
        "license": "CC0",
        "license_name": "CC0 1.0",
        "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
        "derivatives_restricted": false,
        "creator": "葉子",
        "creator_url": "https://www.inaturalist.org/people/leaf0605",
        "source_url": "https://www.inaturalist.org/observations/6b4f5a05-8d01-4128-b572-33bc3ae08448",
        "observed_on": "2021-06-10",
        "lat": 24.121,
        "lon": 120.818,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/140565467/r1/400.avif",
            "800": "https://img.botanai.app/p/140565467/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/140565467/r1/400.jpg",
            "800": "https://img.botanai.app/p/140565467/r1/800.jpg"
          }
        },
        "attribution": "葉子, CC0 1.0, via iNaturalist"
      },
      {
        "photo_id": 131873415,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Marco Mussita",
        "creator_url": "https://www.inaturalist.org/people/belvedere04",
        "source_url": "https://www.inaturalist.org/observations/4ccec14f-7645-404e-8bc5-2eafcc59a972",
        "observed_on": "2021-05-26",
        "lat": 35.278,
        "lon": 139.598,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/131873415/r1/400.avif",
            "800": "https://img.botanai.app/p/131873415/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/131873415/r1/400.jpg",
            "800": "https://img.botanai.app/p/131873415/r1/800.jpg"
          }
        },
        "attribution": "Marco Mussita, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 125735840,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Yoshihiro Tokue",
        "creator_url": "https://www.inaturalist.org/people/tokue",
        "source_url": "https://www.inaturalist.org/observations/a230b0cb-ad74-4a16-a5a3-065a7301b7e5",
        "observed_on": "2021-05-03",
        "lat": 35.733,
        "lon": 139.701,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/125735840/r1/400.avif",
            "800": "https://img.botanai.app/p/125735840/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/125735840/r1/400.jpg",
            "800": "https://img.botanai.app/p/125735840/r1/800.jpg"
          }
        },
        "attribution": "Yoshihiro Tokue, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 125736693,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Yoshihiro Tokue",
        "creator_url": "https://www.inaturalist.org/people/tokue",
        "source_url": "https://www.inaturalist.org/observations/b3dce6d1-edee-44c8-a536-7e0c1e484ae2",
        "observed_on": "2021-05-03",
        "lat": 35.735,
        "lon": 139.704,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/125736693/r1/400.avif",
            "800": "https://img.botanai.app/p/125736693/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/125736693/r1/400.jpg",
            "800": "https://img.botanai.app/p/125736693/r1/800.jpg"
          }
        },
        "attribution": "Yoshihiro Tokue, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 124945647,
        "license": "CC0",
        "license_name": "CC0 1.0",
        "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
        "derivatives_restricted": false,
        "creator": "Daniel Atha",
        "creator_url": "https://www.inaturalist.org/people/danielatha",
        "source_url": "https://www.inaturalist.org/observations/41858093-7836-40c1-bddd-ae5f11262613",
        "observed_on": "2021-05-01",
        "lat": 40.868,
        "lon": -73.875,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/124945647/r1/400.avif",
            "800": "https://img.botanai.app/p/124945647/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/124945647/r1/400.jpg",
            "800": "https://img.botanai.app/p/124945647/r1/800.jpg"
          }
        },
        "attribution": "Daniel Atha, CC0 1.0, via iNaturalist"
      }
    ]
  },
  "native_range": {
    "scheme": "TDWG World Geographical Scheme for Recording Plant Distributions, level 3",
    "source": "Kew, World Checklist of Vascular Plants (WCVP v16)",
    "license": "CC BY 3.0",
    "excludes": [
      "introduced",
      "extinct",
      "location_doubtful"
    ],
    "codes": [
      "CHN",
      "CHC",
      "CHS",
      "JAP",
      "KOR",
      "KUR",
      "CHM",
      "TAI"
    ],
    "regions": [
      {
        "code": "CHN",
        "name": "China North-Central",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "CHC",
        "name": "China South-Central",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "CHS",
        "name": "China Southeast",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "JAP",
        "name": "Japan",
        "continent": "ASIA-TEMPERATE",
        "region": "Eastern Asia"
      },
      {
        "code": "KOR",
        "name": "Korea",
        "continent": "ASIA-TEMPERATE",
        "region": "Eastern Asia"
      },
      {
        "code": "KUR",
        "name": "Kuril Is.",
        "continent": "ASIA-TEMPERATE",
        "region": "Russian Far East"
      },
      {
        "code": "CHM",
        "name": "Manchuria",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "TAI",
        "name": "Taiwan",
        "continent": "ASIA-TEMPERATE",
        "region": "Eastern Asia"
      }
    ]
  },
  "phenology": {
    "n": 3,
    "n_annotated": 40,
    "sufficient": false
  },
  "traits": {
    "lifeform": "tree",
    "climate": "temperate"
  },
  "identification": {
    "on_device_model": {
      "model": "Google AIY plants V1 (TFLite, 2,102 classes)",
      "identifies_this_species": false
    },
    "in_accuracy_benchmark": false,
    "benchmark_url": "https://botanai.app/accuracy/",
    "confused_with": []
  },
  "sources": [
    {
      "name": "World Flora Online Plant List",
      "note": "accepted name, authority, classification",
      "license": "CC0",
      "url": "https://www.worldfloraonline.org/",
      "retrieved": "2026-07-12"
    },
    {
      "name": "iNaturalist",
      "note": "photographs and flowering annotations, CC0 / CC BY / CC BY-SA only",
      "license": "per photograph",
      "url": "https://www.inaturalist.org/",
      "retrieved": "2026-06-27"
    },
    {
      "name": "Wikidata",
      "note": "common name (P1843), joined on the World Flora Online identifier (P7715)",
      "license": "CC0",
      "url": "https://www.wikidata.org/",
      "retrieved": "2026-07-13"
    },
    {
      "name": "Kew, World Checklist of Vascular Plants (WCVP v16)",
      "note": "native distribution by TDWG level-3 botanical country, and life form",
      "license": "CC BY 3.0",
      "url": "https://doi.org/10.15468/6h8ucr",
      "retrieved": "2026-06-04"
    }
  ],
  "gaps": [
    {
      "field": "care",
      "status": "not_published",
      "reason": "Not published anywhere on this site. Every care claim we could make cheaply would be an unsourced enum, which is what the previous version of this site did and why it was deleted."
    },
    {
      "field": "toxicity",
      "status": "not_published",
      "reason": "Not published. The widely copied list is a copyrighted compilation restricted to noncommercial use, and we will not scrape it. A sourced toxicity dataset is being built from primary literature and is not ready."
    },
    {
      "field": "botanical_review",
      "status": "not_sourced",
      "reason": "No page on this site has been reviewed by a named botanist. The determination label says so, on every page."
    },
    {
      "field": "phenology",
      "status": "insufficient_evidence",
      "reason": "Only 3 annotated flowering records, below our threshold of 30. A curve fitted to a dozen records is noise, so we do not draw one."
    }
  ],
  "license": {
    "data": "CC BY 4.0",
    "attribution": "BotanAI, https://botanai.app/plants/zelkova-serrata/",
    "note": "This document is licensed CC BY 4.0. The PHOTOGRAPHS it links are licensed individually and separately: each carries its own license and license_url, and those terms govern. Underlying taxonomy is CC0 (World Flora Online); native range is CC BY 3.0 (Kew)."
  }
}