"roadside verbena" meaning in English

{
  "forms": [
    {
      "form": "roadside verbenas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "roadside verbena (plural roadside verbenas)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1940, Rosetta E. Clarkson, Green Enchantments: The Magic Spell of Gardens, The Macmillan Company, page 271",
          "text": "Various measures were taken to avoid it, most popular being the suspension of certain herbs and tree branches over the doorways of dwellings and stables. Commonly used greenery were tansy, honesty, garlic, St. John's Wort, mountain ash, roadside verbena.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Purpletop vervain, Verbena bonariensis."
      ],
      "id": "en-roadside_verbena-en-noun-nw2Jfn-f",
      "links": [
        [
          "Purpletop vervain",
          "purpletop vervain"
        ]
      ]
    }
  ],
  "word": "roadside verbena"
}

{
  "forms": [
    {
      "form": "roadside verbenas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "roadside verbena (plural roadside verbenas)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Entries using missing taxonomic name (species)"
      ],
      "examples": [
        {
          "ref": "1940, Rosetta E. Clarkson, Green Enchantments: The Magic Spell of Gardens, The Macmillan Company, page 271",
          "text": "Various measures were taken to avoid it, most popular being the suspension of certain herbs and tree branches over the doorways of dwellings and stables. Commonly used greenery were tansy, honesty, garlic, St. John's Wort, mountain ash, roadside verbena.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Purpletop vervain, Verbena bonariensis."
      ],
      "links": [
        [
          "Purpletop vervain",
          "purpletop vervain"
        ]
      ]
    }
  ],
  "word": "roadside verbena"
}