Is Xanthosoma sagittifolium poisonous?
Many species in this family are highly toxic, such as xanthosoma sagittifolium, epipremnum pinnatum, colocasia esculenta, monstera deliciosa colocasia antiquorum, and dieffenbachia picta, due to the presence of calcium oxalate (sena et al. Context: xanthosoma sagittifolium schott. Araceae) and laportea aestuans (l. Chew (urticaceae) are two medicinal species used as food and to prevent and treat bone diseases, such as osteoporosis, in traditional brazilian medicine.