(Lour.) Kuntze, 1891
Nymphoides hydrophylla (Crested floating heart, White water snowflake, White snowflake) is an aquatic plant of the family Menyanthaceae native to tropical Asia. It has cordate floating leaves that support a lax inflorescence of dainty white flowers with fringed petal margins. Its slim stem (spear) is edible, and is used as vegetable in Taiwan, mostly produced at Meinong District, Kaohsiung.
The plants are commonly sold for use in ornamental water gardens. Outside their native range they can escape cultivation and become nuisance weeds, particularly in Florida. They are not killed by freezing, and have been reported in Lake Marion, South Carolina.
- V. V. Sivarajan, Shu-Miaw Chaw, and K. T. Joseph (1989). "Seed coat micromorphology of Indian species of Nymphoides (Menyanthaceae)". Botanical Bulletin of Academia Sinica 30: 275–283.
- Larry McCord (May 2007). ""New Nymphoides" in Lake Marion". Newsletter. South Carolina Aquatic Plant Management Society. Retrieved 4 March 2011.
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