{
  "$schema": "https://botanai.app/schema/genus-v1.json",
  "schema_version": 1,
  "url": "https://botanai.app/genus/acanthocalycium/",
  "id": {
    "slug": "acanthocalycium"
  },
  "genus": "Acanthocalycium",
  "family": "Cactaceae",
  "family_url": "https://botanai.app/family/cactaceae/",
  "accepted_species": 6,
  "documented_species": 3,
  "species": [
    {
      "scientific_name": "Acanthocalycium glaucum",
      "authorship": "F.Ritter",
      "wfo": "wfo-0000513063",
      "slug": "acanthocalycium-glaucum",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Acanthocalycium klimpelianum",
      "authorship": "(Weidlich & Werderm.) Backeb.",
      "wfo": "wfo-0000513066",
      "slug": "acanthocalycium-klimpelianum",
      "photographs_found": 0,
      "documented": false,
      "url": null
    },
    {
      "scientific_name": "Acanthocalycium leucanthum",
      "authorship": "(Gillies ex Salm-Dyck) Schlumpb.",
      "wfo": "wfo-0001430008",
      "slug": "acanthocalycium-leucanthum",
      "photographs_found": 84,
      "documented": true,
      "url": "https://botanai.app/plants/acanthocalycium-leucanthum/"
    },
    {
      "scientific_name": "Acanthocalycium rhodotrichum",
      "authorship": "(K.Schum.) Schlumpb.",
      "wfo": "wfo-0001430009",
      "slug": "acanthocalycium-rhodotrichum",
      "photographs_found": 27,
      "documented": true,
      "url": "https://botanai.app/plants/acanthocalycium-rhodotrichum/"
    },
    {
      "scientific_name": "Acanthocalycium spiniflorum",
      "authorship": "(K.Schum.) Backeb.",
      "wfo": "wfo-0000513070",
      "slug": "acanthocalycium-spiniflorum",
      "photographs_found": 3,
      "documented": true,
      "url": "https://botanai.app/plants/acanthocalycium-spiniflorum/"
    },
    {
      "scientific_name": "Acanthocalycium thionanthum",
      "authorship": "(Speg.) Backeb.",
      "wfo": "wfo-0000513071",
      "slug": "acanthocalycium-thionanthum",
      "photographs_found": 3,
      "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/acanthocalycium/"
  }
}