Common name(s) Water arum, female water dragon, water dragon, wild calla.
Toxin(s) calcium oxalate and possibly irritant proteins.
Toxic part(s) Whole plant, especially the roots.
Signs Pain and swelling of Jae oral cavity. Acute inflammation of the oropharynx accompanied by salivation, pawing at the mouth, and drooling. Edema of the lips, tongue, and throat may be seen.
Treatment Usually none required. Analgesics may be required. Swelling may be treated with cool compresses. It is unknown if diuretics or glu co corticosteroid would help with the inflammation. Rarely the swelling will interfere with respiration. If necessary, secure the airway.