Common poisonous taro are sea taro, big wild taro, consumption can cause poisoning.
1. Sea taro, also known as tiger taro, grows in places with high humidity such as creeks and lakeshores. The leaves are bright green and have many stomata and water holes. Taro contains protease and saponin, contact with the skin will cause itching; contact with the eyes may cause blindness; accidental ingestion, serious cases will be suffocated, cardiac paralysis, cardiac arrhythmia, and even life-threatening.
2. big wild taro, wild big wild taro is poisonous, this taro leaves as big as umbrella, it is easy to identify. Alkaloids within the stem are the most toxic, accidentally eaten or appear and eat taro similar symptoms, serious can be life-threatening.