When a person makes contact with a poisonous plant that causes any type of skin irritation or dermatitis. Absorption or inhalation. When a person either absorbs the poison through the skin or inhales it into the respiratory system. Plant poisoning ranges from minor irritation to death. Every plant will vary in the amount of toxins it contains due to different growing conditions and slight variations in subspecies.
Every person has a different level of resistance to toxic substances.
Some persons may be more sensitive to a particular plant. Most of the time this statement is true, but some animals can eat plants that are poisonous to humans. Boil the plant in water and any poisons will be removed. Boiling removes many poisons, but not all. Plants with a red color are poisonous.