Is Begonia Rex Toxic?
Is Begonia Rex Toxic? Clinical Signs: Kidney failure (in grazing animals), vomiting, salivation in dogs/cats. Most toxic part is underground. Is Begonia rex toxic to humans? Are Rex Begonias Toxic? Rex begonias are among the many plants whose leaves contain calcium oxalate crystals. When ingested, these crystals can irritate the mouth and throat. Poison control