This document summarizes various poisonous plants of veterinary importance in India. It discusses the toxic principles in plants, factors affecting toxicity, clinical signs of acute and chronic poisoning, diagnosis, and treatment approaches. Some of the key poisonous plants mentioned include Abrus precatorius, Datura stramonium, Parthenium hysterophorus, and Strychnos nux-vomica. The summary provides an overview of the types of toxins present in plants and their effects on animal health.