This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol2", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Stem slender, several feet long, branching, covered with gelatinous matter as are the petioles, peduncles and lower leaf-surfaces. Leaves alternate, oval, entire, 2'-4' long, longpetioled, centrally peltate, floating, palmately veined. Flowers axillary, purple. Sepals and linear petals 3. Stamens 12-18; filaments filiform. Carpels 4-18, separate. Ovules 2 or 3, pendulous from the dorsal suture. Ripe carpels indehiscent, coriaceous, 1-2-seeded.
A monotypic genus of continental North America, Cuba, eastern and tropical Asia, west tropical Africa, and Australia.
Menyanthes nymphaeoides Thunb. Fl. Jap. 82. 1784.
Fam. 3: Abt. 2, 6. 1890.
Rootstock slender. Leaves 2-4' long, 1 1/2'-2' wide, thick, rounded at each end; flowers 5"-6" in diameter, on long stout peduncles; fruit oblong, 3"-4" long.
In ponds and slow streams, locally distributed from Nova Scotia to Florida, Manitoba, Nebraska and Texas. Also in Cuba, Mexico, and on the Pacific Coast from California to Washington. Deer-food. Frog-leaf. Little water-lily. Summer.