Don’t judge a book by its cover, this proverb suits as an best example for these poisonous plants, where the herbs, shrubs, trees , vegetables and vines are poisonous under certain condition. They provide shade, colorful flowers , or food but parts of the plants (sap, leaves, seed, flowers, stems) may also contain toxic compounds. Some may cause irritation of skin or mouth and cause stomach upset, while others can cause vomiting and diarrhea. Some of the most poisonous plants also can be source of valuable pharmaceuticals. For example: Digitalis, derived from the leaves and seeds of foxglove, was originally used to strengthen the heart of ill person. Toxicity in plants varies in different concentration, some plants concentrate toxic in seeds but not the leaves. In others unripe fruit may be toxic but not the ripened fruit. 

  • Track 1-1 Harmful Landscape and Garden Plants
  • Track 2-2 Plants and their Toxic Principles
  • Track 3-3 Toxics Found in Plants
  • Track 4-4 Preventing Measures to Avoid Plant Poisoning

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