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Poisonous Plants 9/9/2009 Objective: to be able to identify common poisonous plants Warm up: What does it mean if something is Toxic? Poisonous Plants • Many plants are safe to eat and touch but… Some plants can cause severe reactions in human and animal if eaten or touched. • Plants that are toxic or poisonous have parts that can cause sickness or skin rashes sometimes can cause death to humans or animals Example: 700 cattle that were killed overnight by poisonous weeds Poke weed Toxic part: Leaves, Stems, Berries, Roots Symptoms: vomiting (sometimes bloody), tremors, watery diarrhea, dizziness, and possibly seizures, coma and death. Holly • Toxic Part: Berries • Symptoms: vomiting, nausea, and diarrhea Mother of Millions • Toxic Part: All parts of this plant • Symptoms: Cardiac Poisoning Deadly to livestock Tomato •Toxic Part: Foliage (leaves) and vines (stems) •Symptoms: digestive (stomach) upset and nervous excitement (jitters) Potato • Toxic part: Foliage (Leaves) and green-tinged tubers • Symptoms: intense digestive disturbances, nervous symptoms Poison Oak Toxic Part: Leaves and stems Symptoms: Skin rash and Blistering Poison Sumac Toxic Part: Leaves and stems Symptoms: Rash and Blistering Poison Ivy Toxic Part: Stems and Leaves Symptoms: Rash and Blistering Can you Identify the Poisonous plants? 1. 2. 3. Severe Poison Ivy