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  "url": "https://botanai.app/plants/crataegus-pruinosa/",
  "last_modified": "2025-12-15",
  "id": {
    "slug": "crataegus-pruinosa",
    "wfo": "wfo-0000985859",
    "inat_taxon_id": 161074
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  "name": {
    "scientific": "Crataegus pruinosa",
    "authorship": "(H.L.Wendl.) K.Koch",
    "genus": "Crataegus",
    "epithet": "pruinosa",
    "family": "Rosaceae",
    "rank": "species",
    "taxonomic_status": "accepted",
    "accepted_according_to": "World Flora Online Plant List, 2026-06",
    "is_homonym": false,
    "published_in": "Hort. Dendrol. : 168 (1853)",
    "protologue_url": "https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77085498-1",
    "common": {
      "preferred": "waxyfruit hawthorn",
      "english": [
        "waxyfruit hawthorn"
      ],
      "source": "wikidata"
    },
    "synonyms": [
      {
        "name": "Crataegus amoena",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus angulata",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus arcana",
        "authorship": "Beadle"
      },
      {
        "name": "Crataegus aspera",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus asperata",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus ater",
        "authorship": "Ashe"
      },
      {
        "name": "Crataegus bellula",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus brachypoda",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus bracteata",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus caerulescens",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus cicur",
        "authorship": "Ashe"
      },
      {
        "name": "Crataegus coccinea var. pruinosa",
        "authorship": "(H.L.Wendl.) Dippel"
      },
      {
        "name": "Crataegus congesta",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus conjuncta",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus crawfordiana",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus deducta",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus deltoides",
        "authorship": "Ashe"
      },
      {
        "name": "Crataegus disjuncta",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus disjuncta var. magnifolia",
        "authorship": "(Sarg.) E.J.Palmer"
      },
      {
        "name": "Crataegus dissona",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus dissona var. bellula",
        "authorship": "(Sarg.) Kruschke"
      },
      {
        "name": "Crataegus durobrivensis",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus formosa",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus franklinensis",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus gattingeri var. rigida",
        "authorship": "E.J.Palmer"
      },
      {
        "name": "Crataegus gaudens",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus haemacarpa",
        "authorship": "Ashe"
      },
      {
        "name": "Crataegus horridula",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus howeana",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus immanis",
        "authorship": "Ashe"
      },
      {
        "name": "Crataegus incisa",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus kellermanii",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus latisepala",
        "authorship": "Ashe"
      },
      {
        "name": "Crataegus lecta",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus leiophylla",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus leiophylla var. maineana",
        "authorship": "(Sarg.) Eggl."
      },
      {
        "name": "Crataegus littoralis",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus mackenziei var. aspera",
        "authorship": "(Sarg.) E.J.Palmer"
      },
      {
        "name": "Crataegus mackenzii",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus mackenzii var. bracteata",
        "authorship": "(Sarg.) E.J.Palmer"
      },
      {
        "name": "Crataegus magnifolia",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus maineana",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus mariettensis",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus neobaxteri",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus parvula",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus philadelphica",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus placiva",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus placiva",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus platycarpa",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus poiretiana",
        "authorship": "DC."
      },
      {
        "name": "Crataegus porteri",
        "authorship": "Britton"
      },
      {
        "name": "Crataegus porteri var. caerulescens",
        "authorship": "(Sarg.) E.J.Palmer"
      },
      {
        "name": "Crataegus pruinosa f. angulata",
        "authorship": "(Sarg.) E.J.Palmer"
      },
      {
        "name": "Crataegus pruinosa f. ciliata",
        "authorship": "Rickett"
      },
      {
        "name": "Crataegus pruinosa f. dissona",
        "authorship": "(Sarg.) Eggl."
      },
      {
        "name": "Crataegus pruinosa f. glaberrima",
        "authorship": "Rickett"
      },
      {
        "name": "Crataegus pruinosa f. mecocantha",
        "authorship": "Kruschke"
      },
      {
        "name": "Crataegus pruinosa f. pruinosa",
        "authorship": null
      },
      {
        "name": "Crataegus pruinosa f. puberula",
        "authorship": "Rickett"
      },
      {
        "name": "Crataegus pruinosa var. brachypoda",
        "authorship": "(Sarg.) E.J.Palmer"
      },
      {
        "name": "Crataegus pruinosa var. congesta",
        "authorship": "(Sarg.) J.B.Phipps"
      },
      {
        "name": "Crataegus pruinosa var. conjuncta",
        "authorship": "(Sarg.) Eggl."
      },
      {
        "name": "Crataegus pruinosa var. grandiflora",
        "authorship": "Kruschke"
      },
      {
        "name": "Crataegus pruinosa var. latisepala",
        "authorship": "(Ashe) Eggl."
      },
      {
        "name": "Crataegus pruinosa var. leiophylla",
        "authorship": "(Sarg.) J.B.Phipps"
      },
      {
        "name": "Crataegus pruinosa var. parvula",
        "authorship": "(Sarg.) J.B.Phipps"
      },
      {
        "name": "Crataegus pruinosa var. philadelphica",
        "authorship": "(Sarg.) Eggl."
      },
      {
        "name": "Crataegus pruinosa var. porteri",
        "authorship": "(Britton) Eggl."
      },
      {
        "name": "Crataegus pruinosa var. rugosa",
        "authorship": "(Ashe) Kruschke"
      },
      {
        "name": "Crataegus relicta",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus rigida",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus rugosa",
        "authorship": "Ashe"
      },
      {
        "name": "Crataegus saundersiana",
        "authorship": "Sarg."
      },
      {
        "name": "Crataegus sitiens",
        "authorship": "Ashe"
      },
      {
        "name": "Crataegus suborbiculata var. saundersiana",
        "authorship": "(Sarg.) Kruschke"
      },
      {
        "name": "Crataegus vicinalis",
        "authorship": "Beadle"
      },
      {
        "name": "Crataegus virella",
        "authorship": "Ashe"
      },
      {
        "name": "Mespilus pruinosa",
        "authorship": "H.L.Wendl."
      },
      {
        "name": "Oxyacantha rugosa",
        "authorship": "(Ashe) Nieuwl."
      },
      {
        "name": "Phaenopyrum pruinosum",
        "authorship": "(H.L.Wendl.) M.Roem."
      }
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    "wikipedia": "https://en.wikipedia.org/wiki/Crataegus_pruinosa"
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        "name": "Mississippi",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "MSO",
        "name": "Missouri",
        "continent": "NORTHERN AMERICA",
        "region": "North-Central U.S.A."
      },
      {
        "code": "MNT",
        "name": "Montana",
        "continent": "NORTHERN AMERICA",
        "region": "Northwestern U.S.A."
      },
      {
        "code": "NWH",
        "name": "New Hampshire",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "NWJ",
        "name": "New Jersey",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "NWY",
        "name": "New York",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "NCA",
        "name": "North Carolina",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "OHI",
        "name": "Ohio",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "ONT",
        "name": "Ontario",
        "continent": "NORTHERN AMERICA",
        "region": "Eastern Canada"
      },
      {
        "code": "PEN",
        "name": "Pennsylvania",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "QUE",
        "name": "Québec",
        "continent": "NORTHERN AMERICA",
        "region": "Eastern Canada"
      },
      {
        "code": "TEN",
        "name": "Tennessee",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "VER",
        "name": "Vermont",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "VRG",
        "name": "Virginia",
        "continent": "NORTHERN AMERICA",
        "region": "Southeastern U.S.A."
      },
      {
        "code": "WVA",
        "name": "West Virginia",
        "continent": "NORTHERN AMERICA",
        "region": "Northeastern U.S.A."
      },
      {
        "code": "WIS",
        "name": "Wisconsin",
        "continent": "NORTHERN AMERICA",
        "region": "North-Central U.S.A."
      }
    ]
  },
  "phenology": {
    "n": 72,
    "n_annotated": 136,
    "sufficient": true,
    "by_month": [
      0,
      0,
      0,
      24,
      48,
      0,
      0,
      0,
      0,
      0,
      0,
      0
    ],
    "annotated_by_month": [
      1,
      0,
      0,
      43,
      60,
      11,
      6,
      6,
      5,
      3,
      1,
      0
    ],
    "share": [
      null,
      null,
      null,
      0.5581,
      0.8,
      0,
      0,
      0,
      0,
      null,
      null,
      null
    ],
    "ci": [
      null,
      null,
      null,
      [
        0.4111,
        0.6957
      ],
      [
        0.6822,
        0.8817
      ],
      [
        0,
        0.2588
      ],
      [
        0,
        0.3903
      ],
      [
        0,
        0.3903
      ],
      [
        0,
        0.4345
      ],
      null,
      null,
      null
    ],
    "peak_month": 5,
    "peak_basis": "share",
    "min_month_n": 5,
    "fruiting": {
      "n": 30,
      "by_month": [
        0,
        0,
        0,
        2,
        5,
        5,
        4,
        6,
        5,
        2,
        1,
        0
      ],
      "share": [
        null,
        null,
        null,
        0.0465,
        0.0833,
        0.4545,
        0.6667,
        1,
        1,
        null,
        null,
        null
      ],
      "ci": [
        null,
        null,
        null,
        [
          0.0128,
          0.1546
        ],
        [
          0.0361,
          0.1807
        ],
        [
          0.2127,
          0.7199
        ],
        [
          0.3,
          0.9032
        ],
        [
          0.6097,
          1
        ],
        [
          0.5655,
          1
        ],
        null,
        null,
        null
      ],
      "peak_month": 8
    },
    "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": "tree",
    "climate": "temperate"
  },
  "climate_envelope": {
    "mean_annual_temp_c": {
      "p5": 8.5,
      "median": 10.6,
      "p95": 16.4
    },
    "temp_seasonality": {
      "p5": 721.9,
      "median": 851.7,
      "p95": 958.5
    },
    "max_temp_warmest_month_c": {
      "p5": 25.2,
      "median": 27.6,
      "p95": 32.5
    },
    "min_temp_coldest_month_c": {
      "p5": -8.6,
      "median": -5.6,
      "p95": 1.2
    },
    "annual_precip_mm": {
      "p5": 955,
      "median": 1064,
      "p95": 1488.4
    },
    "precip_seasonality": {
      "p5": 10.7,
      "median": 15.1,
      "p95": 21.6
    },
    "precip_driest_quarter_mm": {
      "p5": 187.1,
      "median": 222.6,
      "p95": 311.3
    },
    "n": 119,
    "units": {
      "mean_annual_temp_c": "degrees Celsius",
      "min_temp_coldest_month_c": "degrees Celsius (mean daily MINIMUM of the coldest month)",
      "max_temp_warmest_month_c": "degrees Celsius (mean daily MAXIMUM of the warmest month)",
      "annual_precip_mm": "millimetres per year",
      "precip_driest_quarter_mm": "millimetres in the driest quarter"
    },
    "source": "CHELSA V2.1 climatologies 1981-2010, 30 arcsec",
    "citation": "Karger, D.N. et al. (2017) Climatologies at high resolution for the earth's land surface areas. Scientific Data 4, 170122.",
    "occurrences": "iNaturalist Research-grade Observations",
    "occurrences_doi": "10.15468/dl.cgje2x",
    "method": "Climate sampled at every georeferenced research-grade observation of the species. Reported as the 5th to 95th percentile across 119 of them. Species with fewer than 30 georeferenced observations get no envelope.",
    "is_hardiness_zone": false,
    "hardiness_zone_note": "min_temp_coldest_month_c is NOT a USDA hardiness zone. A USDA zone is the average annual EXTREME minimum temperature; this is the mean daily minimum of the coldest month, which is typically about 16 C warmer. Do not present one as the other."
  },
  "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": "hardiness_zone",
      "status": "not_published",
      "reason": "Not published for any species. A USDA hardiness zone is the average annual EXTREME minimum temperature, and we hold the mean daily minimum of the coldest month, which is a different quantity and typically about 16 C warmer. Presenting one as the other would place a plant several zones too warm, so we do not publish a zone at all."
    }
  ],
  "license": {
    "data": "CC BY 4.0",
    "attribution": "BotanAI, https://botanai.app/plants/crataegus-pruinosa/",
    "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)."
  }
}