{
  "$schema": "https://botanai.app/schema/species-v1.json",
  "schema_version": 1,
  "url": "https://botanai.app/plants/vicia-unijuga/",
  "last_modified": "2026-06-10",
  "id": {
    "slug": "vicia-unijuga",
    "wfo": "wfo-0001055306",
    "inat_taxon_id": 447290
  },
  "name": {
    "scientific": "Vicia unijuga",
    "authorship": "A.Braun",
    "genus": "Vicia",
    "epithet": "unijuga",
    "family": "Fabaceae",
    "rank": "species",
    "taxonomic_status": "accepted",
    "accepted_according_to": "World Flora Online Plant List, 2026-06",
    "is_homonym": false,
    "published_in": "Index Seminum (B, Berolinensis) 1853(App.): 12 (1853)",
    "protologue_url": "https://www.legumedata.org/taxonomy/taxon/2451542",
    "common": {
      "preferred": "two-leaf vetch",
      "english": [
        "two-leaf vetch"
      ],
      "source": "usda"
    },
    "synonyms": [
      {
        "name": "Ervum unijugum",
        "authorship": "(A.Braun) Alef."
      },
      {
        "name": "Lathyrus messerschmidii",
        "authorship": "Franch. & Sav."
      },
      {
        "name": "Orobus lathyroides",
        "authorship": "L."
      },
      {
        "name": "Orobus lathyroides var. turczaninovii",
        "authorship": "Regel"
      },
      {
        "name": "Vicia austro-higoensis",
        "authorship": "Honda"
      },
      {
        "name": "Vicia linearifolia",
        "authorship": "Y.N.Lee"
      },
      {
        "name": "Vicia unijuga f. albiflora",
        "authorship": "Nakai"
      },
      {
        "name": "Vicia unijuga f. angustifolia",
        "authorship": "(Makino) Ohwi"
      },
      {
        "name": "Vicia unijuga f. latifolia",
        "authorship": "Nakai"
      },
      {
        "name": "Vicia unijuga f. minor",
        "authorship": "(Nakai) Nakai"
      },
      {
        "name": "Vicia unijuga f. trifoliolata",
        "authorship": "(Z.D.Xia) Y.Endo & H.Ohashi"
      },
      {
        "name": "Vicia unijuga subsp. minor",
        "authorship": "(Nakai) Y.N.Lee"
      },
      {
        "name": "Vicia unijuga var. angustifolia",
        "authorship": "Makino"
      },
      {
        "name": "Vicia unijuga var. angustifolia",
        "authorship": "Nakai"
      },
      {
        "name": "Vicia unijuga var. austrohigoensis",
        "authorship": "(Honda) Sugim. ex Yonek."
      },
      {
        "name": "Vicia unijuga var. breviramea",
        "authorship": "Nakai"
      },
      {
        "name": "Vicia unijuga var. kausanensis",
        "authorship": "H.Lév."
      },
      {
        "name": "Vicia unijuga var. minor",
        "authorship": "Nakai"
      },
      {
        "name": "Vicia unijuga var. trifoliolata",
        "authorship": "Z.D.Xia"
      },
      {
        "name": "Vicia unijuga var. ulsaniana",
        "authorship": "M.Kim & H.Jo"
      },
      {
        "name": "Vicia unijuga var. waldeniana",
        "authorship": "S.Y.Hu"
      }
    ],
    "wikipedia": null
  },
  "photographs": {
    "shown": 8,
    "usable_found": 350,
    "licences": [
      "CC-BY"
    ],
    "noncommercial_excluded": true,
    "items": [
      {
        "photo_id": 204666430,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Екатерина Гущина",
        "creator_url": "https://www.inaturalist.org/people/katto4ka",
        "source_url": "https://www.inaturalist.org/observations/9667d4fb-0934-44aa-bf94-4841ce58117a",
        "observed_on": "2022-06-09",
        "lat": 54.827,
        "lon": 83.12,
        "original": {
          "width": 1024,
          "height": 576
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/204666430/r1/400.avif",
            "800": "https://img.botanai.app/p/204666430/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/204666430/r1/400.jpg",
            "800": "https://img.botanai.app/p/204666430/r1/800.jpg"
          }
        },
        "attribution": "Екатерина Гущина, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 165971317,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Oleg Kosterin",
        "creator_url": "https://www.inaturalist.org/people/oleg_kosterin",
        "source_url": "https://www.inaturalist.org/observations/f185b41e-010a-4beb-9cab-25df0ebcd162",
        "observed_on": "2021-09-28",
        "lat": 54.802,
        "lon": 83.242,
        "original": {
          "width": 1024,
          "height": 683
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/165971317/r1/400.avif",
            "800": "https://img.botanai.app/p/165971317/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/165971317/r1/400.jpg",
            "800": "https://img.botanai.app/p/165971317/r1/800.jpg"
          }
        },
        "attribution": "Oleg Kosterin, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 157074796,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Alexander Dubynin",
        "creator_url": "https://www.inaturalist.org/people/alexanderdubynin",
        "source_url": "https://www.inaturalist.org/observations/87908c2a-c0b5-4178-88cf-abe69788b68d",
        "observed_on": "2021-09-12",
        "lat": 54.826,
        "lon": 83.103,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/157074796/r1/400.avif",
            "800": "https://img.botanai.app/p/157074796/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/157074796/r1/400.jpg",
            "800": "https://img.botanai.app/p/157074796/r1/800.jpg"
          }
        },
        "attribution": "Alexander Dubynin, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 157078631,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Alexander Dubynin",
        "creator_url": "https://www.inaturalist.org/people/alexanderdubynin",
        "source_url": "https://www.inaturalist.org/observations/f470f8f0-faca-48b7-889e-0c0c0f1c1496",
        "observed_on": "2021-09-12",
        "lat": 54.823,
        "lon": 83.103,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/157078631/r1/400.avif",
            "800": "https://img.botanai.app/p/157078631/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/157078631/r1/400.jpg",
            "800": "https://img.botanai.app/p/157078631/r1/800.jpg"
          }
        },
        "attribution": "Alexander Dubynin, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 157082020,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Alexander Dubynin",
        "creator_url": "https://www.inaturalist.org/people/alexanderdubynin",
        "source_url": "https://www.inaturalist.org/observations/97e18b09-d9bd-4567-b20e-f0189c82ec53",
        "observed_on": "2021-09-12",
        "lat": 54.821,
        "lon": 83.109,
        "original": {
          "width": 1024,
          "height": 768
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/157082020/r1/400.avif",
            "800": "https://img.botanai.app/p/157082020/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/157082020/r1/400.jpg",
            "800": "https://img.botanai.app/p/157082020/r1/800.jpg"
          }
        },
        "attribution": "Alexander Dubynin, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 158415630,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Aleksei Baushev",
        "creator_url": "https://www.inaturalist.org/people/aleksey_baushev",
        "source_url": "https://www.inaturalist.org/observations/037d80a2-be67-45fc-9a6c-45f57e47078b",
        "observed_on": "2021-09-05",
        "lat": 51.728,
        "lon": 103.795,
        "original": {
          "width": 1024,
          "height": 683
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/158415630/r1/400.avif",
            "800": "https://img.botanai.app/p/158415630/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/158415630/r1/400.jpg",
            "800": "https://img.botanai.app/p/158415630/r1/800.jpg"
          }
        },
        "attribution": "Aleksei Baushev, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 153453879,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Nina Filippova",
        "creator_url": "https://www.inaturalist.org/people/ninacourlee",
        "source_url": "https://www.inaturalist.org/observations/9159872e-b08f-4163-adb9-a72398d521ce",
        "observed_on": "2021-08-27",
        "lat": 43.698,
        "lon": 132.158,
        "original": {
          "width": 1024,
          "height": 683
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/153453879/r1/400.avif",
            "800": "https://img.botanai.app/p/153453879/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/153453879/r1/400.jpg",
            "800": "https://img.botanai.app/p/153453879/r1/800.jpg"
          }
        },
        "attribution": "Nina Filippova, CC BY 4.0, via iNaturalist"
      },
      {
        "photo_id": 153474722,
        "license": "CC-BY",
        "license_name": "CC BY 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "derivatives_restricted": false,
        "creator": "Nina Filippova",
        "creator_url": "https://www.inaturalist.org/people/ninacourlee",
        "source_url": "https://www.inaturalist.org/observations/187d2c6e-9398-4cf6-84d3-0a1696867329",
        "observed_on": "2021-08-27",
        "lat": 43.69,
        "lon": 132.153,
        "original": {
          "width": 1024,
          "height": 683
        },
        "widths": [
          400,
          800
        ],
        "urls": {
          "avif": {
            "400": "https://img.botanai.app/p/153474722/r1/400.avif",
            "800": "https://img.botanai.app/p/153474722/r1/800.avif"
          },
          "jpeg": {
            "400": "https://img.botanai.app/p/153474722/r1/400.jpg",
            "800": "https://img.botanai.app/p/153474722/r1/800.jpg"
          }
        },
        "attribution": "Nina Filippova, CC BY 4.0, 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": [
      "ALT",
      "AMU",
      "BRY",
      "CHN",
      "CHC",
      "CHS",
      "CTA",
      "CHI",
      "IRK",
      "JAP",
      "KHA",
      "KOR",
      "KRA",
      "KUR",
      "CHM",
      "MON",
      "PRM",
      "CHQ",
      "SAK",
      "CHT",
      "TVA",
      "WSB",
      "YAK"
    ],
    "regions": [
      {
        "code": "ALT",
        "name": "Altay",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "AMU",
        "name": "Amur",
        "continent": "ASIA-TEMPERATE",
        "region": "Russian Far East"
      },
      {
        "code": "BRY",
        "name": "Buryatiya",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "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": "CTA",
        "name": "Chita",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "CHI",
        "name": "Inner Mongolia",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "IRK",
        "name": "Irkutsk",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "JAP",
        "name": "Japan",
        "continent": "ASIA-TEMPERATE",
        "region": "Eastern Asia"
      },
      {
        "code": "KHA",
        "name": "Khabarovsk",
        "continent": "ASIA-TEMPERATE",
        "region": "Russian Far East"
      },
      {
        "code": "KOR",
        "name": "Korea",
        "continent": "ASIA-TEMPERATE",
        "region": "Eastern Asia"
      },
      {
        "code": "KRA",
        "name": "Krasnoyarsk",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "KUR",
        "name": "Kuril Is.",
        "continent": "ASIA-TEMPERATE",
        "region": "Russian Far East"
      },
      {
        "code": "CHM",
        "name": "Manchuria",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "MON",
        "name": "Mongolia",
        "continent": "ASIA-TEMPERATE",
        "region": "Mongolia"
      },
      {
        "code": "PRM",
        "name": "Primorye",
        "continent": "ASIA-TEMPERATE",
        "region": "Russian Far East"
      },
      {
        "code": "CHQ",
        "name": "Qinghai",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "SAK",
        "name": "Sakhalin",
        "continent": "ASIA-TEMPERATE",
        "region": "Russian Far East"
      },
      {
        "code": "CHT",
        "name": "Tibet",
        "continent": "ASIA-TEMPERATE",
        "region": "China"
      },
      {
        "code": "TVA",
        "name": "Tuva",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "WSB",
        "name": "West Siberia",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      },
      {
        "code": "YAK",
        "name": "Yakutiya",
        "continent": "ASIA-TEMPERATE",
        "region": "Siberia"
      }
    ]
  },
  "phenology": {
    "n": 87,
    "n_annotated": 142,
    "sufficient": true,
    "by_month": [
      0,
      0,
      0,
      0,
      0,
      28,
      22,
      15,
      16,
      5,
      1,
      0
    ],
    "annotated_by_month": [
      0,
      0,
      0,
      11,
      10,
      43,
      27,
      17,
      21,
      11,
      2,
      0
    ],
    "share": [
      null,
      null,
      null,
      0,
      0,
      0.6512,
      0.8148,
      0.8824,
      0.7619,
      0.4545,
      null,
      null
    ],
    "ci": [
      null,
      null,
      null,
      [
        0,
        0.2588
      ],
      [
        0,
        0.2775
      ],
      [
        0.5017,
        0.7758
      ],
      [
        0.633,
        0.9182
      ],
      [
        0.6566,
        0.9671
      ],
      [
        0.5491,
        0.8937
      ],
      [
        0.2127,
        0.7199
      ],
      null,
      null
    ],
    "peak_month": 8,
    "peak_basis": "share",
    "min_month_n": 5,
    "doi": "10.15468/dl.cgje2x",
    "source": "GBIF SQL download of iNaturalist Research-grade Observations",
    "quality_grade": "research (guaranteed upstream by iNaturalist at export)",
    "fields": {
      "by_month": "observations found IN FLOWER, by month (Jan..Dec)",
      "annotated_by_month": "observations in which a human recorded the reproductive state at all, by month. This is the denominator, and it includes the records that said \"no flowers or fruits\".",
      "share": "by_month / annotated_by_month. null where too few plants were examined to state a proportion.",
      "ci": "95% Wilson score interval on share.",
      "peak_month": "the month with the highest SHARE, not the highest count."
    }
  },
  "traits": {
    "lifeform": "perennial",
    "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": "USDA PLANTS Database",
      "note": "common name, checklist symbol VIUN2",
      "license": "public domain",
      "url": "https://plants.usda.gov/",
      "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."
    }
  ],
  "license": {
    "data": "CC BY 4.0",
    "attribution": "BotanAI, https://botanai.app/plants/vicia-unijuga/",
    "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)."
  }
}