Greater Spearwort (Ranunculus Lingua) is a perennial aquatic in the Ranunculaceae family with moderate care difficulty. It requires aquatic watering and full sun or partial shade light in USDA hardiness zones 5-9. This plant is toxic to cats and dogs — keep it out of reach of pets.

Ranunculus lingua is a perennial aquatic plant species known for its bright yellow, bowl-shaped flowers and lance-shaped blue-green leaves.