Butomopsis latifolia is a perennial aquatic plant species that belongs to the family Butomaceae. It has broad, flat leaves that are dark green in color and can grow up to 3 feet (91 cm) in length. The plant produces small yellow flowers that bloom in summer and early fall. It is commonly found in shallow water bodies like ponds, lakes, and slow-moving streams, and is known for its ability to purify water.