water gorgon, gorgon plant, prickly waterlily
Could be confused with
China, India, Japan
Species commonly cultivated
Euryale ferox Salisb. (Asia)
Annual or perennial. Stem a short rhizome. Leaves in a rosette; juvenile leaves submerged, mature leaves floating, peltate; petiole elongate, blade and petiole densely covered with large spines; leaf blade orbicular, venation palmate; margin entire, not upturned. Inflorescence a conspicuous, solitary flower; pedicel with large spines; sepals 4, with large spines; petals numerous, white, blue, red or violet. Dispersal by seed.
lakes, pools, and slow flowing rivers, in water up to 5 meters deep
Euryale ferox, the only species in the genus, is a very large waterlily covered with numerous spines on all surfaces. Euryale is used as a traditional medicine and as an ornamental plant in large ponds. This plant is considered threatened and possibly extinct in some areas of India.