Cow parsnip (Heracleum maximum) is a large perennial plant that is commonly found in moist habitats such as forests, meadows, and riverbanks in North America and Asia, including Nepal. While it is an attractive plant with large white flowers, it can also be dangerous due to its phototoxic sap. The sap contains chemicals that can cause skin irritation and blistering, especially when exposed to sunlight.
If you come into contact with cow parsnip, it is important to wash the affected area immediately with soap and water and avoid exposing it to sunlight for at least 48 hours. If you develop a rash or blisters, you should seek medical attention.
Tourists visiting the forest in Nepal should be aware of this plant and take necessary precautions to avoid contact with its sap. It is also important to wear protective clothing and use sunscreen when venturing into areas where cow parsnip may be present.