"heartbreak grass" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Gentianales order plants",
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      "glosses": [
        "A highly toxic herb (Gelsemium elegans), native to China, India, and southeast Asia, that yields poisons."
      ],
      "hypernyms": [
        {
          "sense": "Gelsemium elegans",
          "word": "gelsemium"
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  "word": "heartbreak grass"
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    {
      "sense": "Gelsemium elegans",
      "word": "gelsemium"
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  "lang_code": "en",
  "pos": "noun",
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        "A highly toxic herb (Gelsemium elegans), native to China, India, and southeast Asia, that yields poisons."
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  "word": "heartbreak grass"
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