Final answer:
Poison ivy causes allergic reactions and can be identified by its distinct leaves in groups of three. It is commonly found in wooded areas and can cause symptoms like itching and blisters. It is not contagious and can be confused with other plants like ragweed.
Step-by-step explanation:
Poison ivy is a common plant that causes allergic skin rashes and is easily recognized by its leaves in groups of three. Kids often encounter poison ivy in wooded areas across most of the United States. Contact with the plant can result in symptoms such as itching, redness, swelling, and blisters. Despite the severity of the rash, it is important to remember that poison ivy blisters are not contagious.
Poison ivy can be confused with other plants, such as ragweed, which also causes allergies. However, being able to identify the leaves of three arrangement can help in avoiding contact with poison ivy. Remember, if you come across a plant with leaves in groups of three, it is best to leave it be.