Botanical name: Aponogeton natans Family: Aponogetonaceae (Cape-pondweed family)
Synonyms: Saururus natans
Floating Lace Plant is a small aquatic herb found in Sri Lanka and India. Its leaves are mostly floating, with only the long slender petiole below the surface of the water. Leaves are narrow-oblong or lance-shaped. Flowers are borne in dense, narrow spikes. The stalk carrying the spike is 10-45 cm long. Spike 3-7 cm, usually dense flowered. Floating Lace Plant is a popular plant in Western countries for use in aquariums.
Identification credit: Aparna Watve & J.M. Garg
The flower labeled Floating Lace Plant is ...