"heleboro nigra" meaning in Ido

{
  "forms": [
    {
      "form": "helebori nigra",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "nigra heleboro",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "noun",
        "head": "heleboro nigra"
      },
      "expansion": "heleboro nigra",
      "name": "head"
    },
    {
      "args": {
        "1": "helebor",
        "2": "nigra",
        "pl": "helebori nigra",
        "sg": "heleboro nigra"
      },
      "expansion": "heleboro nigra (plural helebori nigra)",
      "name": "io-noun"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ido entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "io",
          "name": "Plants",
          "orig": "io:Plants",
          "parents": [
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "black hellebore"
      ],
      "id": "en-heleboro_nigra-io-noun-N77E3eX5",
      "links": [
        [
          "black hellebore",
          "black hellebore"
        ]
      ]
    }
  ],
  "word": "heleboro nigra"
}

{
  "forms": [
    {
      "form": "helebori nigra",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "nigra heleboro",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "noun",
        "head": "heleboro nigra"
      },
      "expansion": "heleboro nigra",
      "name": "head"
    },
    {
      "args": {
        "1": "helebor",
        "2": "nigra",
        "pl": "helebori nigra",
        "sg": "heleboro nigra"
      },
      "expansion": "heleboro nigra (plural helebori nigra)",
      "name": "io-noun"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Ido entries with incorrect language header",
        "Ido lemmas",
        "Ido multiword terms",
        "Ido nouns",
        "Ido terms with redundant head parameter",
        "Pages with 1 entry",
        "Pages with entries",
        "io:Plants"
      ],
      "glosses": [
        "black hellebore"
      ],
      "links": [
        [
          "black hellebore",
          "black hellebore"
        ]
      ]
    }
  ],
  "word": "heleboro nigra"
}