Nymphoides peltata yellow floating heart Menyanthaceae NYPE*; Q, a, f; K, p;

Nymphoides peltata.de.wikipedia.org

Nymphoides peltata.de.wikipedia.org. (Accessed 4/2014).

Nymphoides peltata is a perennial, floating-leaved, rooted aquatic herb, colonial from rhizomes, stems stout, to 0.3 cm thick. 

Leaves opposite, pair-members unequal in size, 5-15 cm long and wide, rounded, tip blunt, base slightly lobed, margin wavy-toothed. 

Flowers yellow, to 2.5 cm wide petal lobes slightly fringed below, in small clusters, June-Sept. 

Fruit capsule to 2.5 cm, beaked, seeds winged. 

Wetland status: OBL. 

Frequency in NYC: Infrequent. but aggressive and abundant where it occurs. 

Origin: Europe. 

Habitat: Quiet water.