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  • Water caltrop - Wikipedia
    Trapa natans forms floating leaf rosettes up to about 50 cm (20 in) across It grows as an annual plant in shallow, slow-flowing fresh water, with a submerged stem up to some 2 m (7 ft) long and up to 6 mm (0 24 in) thick, rooted in the bottom mud and bearing thin leaves
  • water chestnut (Trapa natans) - Species Profile
    Trapa natans decreases dissolved inorganic nitrogen, potentially reducing eutrophication from runoff waters (Tsuchiya and Iwakuma 1993) It also accumulates heavy metals such as cadmium, nickel, and cobalt (USEPA 1989)
  • Water Caltrop Bat Nuts – Fruit Pods That Look Like Bats | Gardening . . .
    Common names include bat nut, devil’s pod, ling, and horn nut Trapa comes from calcitrappa, the Latin name of the caltrop, referring to the strange fruits The caltrop was a medieval device with four prongs that was thrown on the ground to disable the enemy’s calvary horses during European warfare
  • Water Chestnut - NYIS
    The European water chestnut (Trapa natans), an invasive aquatic plant released inadvertently into waters of the Northeast in the late 1800s, is slowly but inexorably spreading throughout New York State, clogging waterways, lakes and ponds and altering aquatic habitats
  • What Are Water Caltrops And How Do You Cook With Them?
    Water caltrops are the seeds, nuts, pods, or fruit — you'll see all four terms used — of plants in the Trapa genus You'll also hear the name used to refer to the entire plant
  • Water chestnut | Description, Species, Facts | Britannica
    Water chestnut, any of several species of water plants that are cultivated for their edible parts Members of the genus Trapa, also known as water caltrops, are grown for their nutlike fruits The unrelated Chinese water chestnut produces a corm that remains crisp when cooked
  • Two-Horned Trapa (Trapa bispinosa) (U. S. National Park Service)
    Two-horned trapa is an annual aquatic plant found in freshwater habitats, typically in still to slow-moving water In late May, leaves begin to emerge on the surface
  • Water Chestnut | National Invasive Species Information Center
    Forms dense mats that displace native species and interfere with recreational activities (Hummel and Kiviat 2004)
  • Trapa L. | Plants of the World Online | Kew Science
    First published in Sp Pl : 120 (1753) The native range of this genus is Old World
  • Trapa natans (water-chestnut): Go Botany
    Water-chestnut is an aquatic annual, native to Europe and Asia, where it is a component of many regional cuisines Introduced in North America, it first appeared near Concord, Massachusetts in 1859 Water-chestnut can be quite invasive in the Northeast, and is classified as such in most New England states





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