{
  "$schema": "https://botanai.app/schema/genus-v1.json",
  "schema_version": 1,
  "url": "https://botanai.app/genus/ostrya/",
  "id": {
    "slug": "ostrya"
  },
  "genus": "Ostrya",
  "family": "Betulaceae",
  "family_url": "https://botanai.app/family/betulaceae/",
  "accepted_species": 8,
  "documented_species": 3,
  "species": [
    {
      "scientific_name": "Ostrya carpinifolia",
      "authorship": "Scop.",
      "wfo": "wfo-0000261449",
      "slug": "ostrya-carpinifolia",
      "photographs_found": 142,
      "documented": true,
      "url": "https://botanai.app/plants/ostrya-carpinifolia/"
    },
    {
      "scientific_name": "Ostrya chinensis",
      "authorship": "I.M.Turner",
      "wfo": "wfo-0001341006",
      "slug": "ostrya-chinensis",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ostrya japonica",
      "authorship": "Sarg.",
      "wfo": "wfo-0000261457",
      "slug": "ostrya-japonica",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ostrya knowltonii",
      "authorship": "Coville",
      "wfo": "wfo-1200064083",
      "slug": "ostrya-knowltonii",
      "photographs_found": 26,
      "documented": true,
      "url": "https://botanai.app/plants/ostrya-knowltonii/"
    },
    {
      "scientific_name": "Ostrya rehderiana",
      "authorship": "Chun",
      "wfo": "wfo-0000261468",
      "slug": "ostrya-rehderiana",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ostrya trichocarpa",
      "authorship": "D.Fang & Y.S.Wang",
      "wfo": "wfo-0000261469",
      "slug": "ostrya-trichocarpa",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Ostrya virginiana",
      "authorship": "(Mill.) K.Koch",
      "wfo": "wfo-0000261470",
      "slug": "ostrya-virginiana",
      "photographs_found": 1995,
      "documented": true,
      "url": "https://botanai.app/plants/ostrya-virginiana/"
    },
    {
      "scientific_name": "Ostrya yunnanensis",
      "authorship": "W.K.Hu",
      "wfo": "wfo-0000261480",
      "slug": "ostrya-yunnanensis",
      "photographs_found": 0,
      "documented": false,
      "url": null
    }
  ],
  "evidence_gate": {
    "rule": "at least 3 photographs licensed for commercial use",
    "rationale": "This site is commercial, so it can only publish photographs licensed for commercial use. Roughly three quarters of the photographs on iNaturalist are CC BY-NC, which excludes them. A species below the gate is listed here rather than given a page of its own."
  },
  "sources": [
    {
      "name": "World Flora Online Plant List",
      "note": "accepted names, authorities, classification",
      "license": "CC0",
      "url": "https://www.worldfloraonline.org/",
      "retrieved": "2026-07-12"
    }
  ],
  "license": {
    "data": "CC BY 4.0",
    "attribution": "BotanAI, https://botanai.app/genus/ostrya/"
  }
}