"espina vera" meaning in Catalan

{
  "forms": [
    {
      "form": "espines veres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "espina vera f (plural espines veres)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "ca",
          "name": "Buckthorn family plants",
          "orig": "ca:Buckthorn family plants",
          "parents": [
            "Rosales order plants",
            "Shrubs",
            "Trees",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "common buckthorn"
      ],
      "id": "en-espina_vera-ca-noun-fw5TW60M",
      "synonyms": [
        {
          "word": "espina cervina"
        },
        {
          "word": "espina santa"
        },
        {
          "word": "arç"
        },
        {
          "word": "cambró"
        },
        {
          "word": "prunelló silvestre"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "espina vera"
}

{
  "forms": [
    {
      "form": "espines veres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "espina vera f (plural espines veres)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Catalan countable nouns",
        "Catalan entries with incorrect language header",
        "Catalan feminine nouns",
        "Catalan lemmas",
        "Catalan multiword terms",
        "Catalan nouns",
        "Catalan nouns with red links in their headword lines",
        "Entries missing English vernacular names of taxa",
        "ca:Buckthorn family plants"
      ],
      "glosses": [
        "common buckthorn"
      ],
      "synonyms": [
        {
          "word": "espina cervina"
        },
        {
          "word": "espina santa"
        },
        {
          "word": "arç"
        },
        {
          "word": "cambró"
        },
        {
          "word": "prunelló silvestre"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "espina vera"
}