Picture comingGlossy dark green leaves and white, sail-like spathes ("flowers"). The leaves contain calcium oxalate crystals and are toxic to dogs and cats.
Not an underwater plant. It is a land plant and rots if you plant it under water. Keep its leaves in the air, for example on the land part of a paludarium or with only its roots in the water.
Toxic to pets. Toxic to dogs and cats (insoluble calcium oxalates): oral irritation, burning of mouth and lips, drooling, vomiting, difficulty swallowing. NC State also lists it as a problem for children and horses. No source found on toxicity to fish.
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