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Trapa natans , varieteten concarpa , fig. 1 stjälkstycke med de kretsställda vattenrötterna, 2 stjlkens topp med flytbladsrosetten, blommorna och fruktanlagen, 3 nyss öppnad blomma (3/2), 4 d:o i längdsnitt med borttagna kronblad (4/1), 5 fruktstenen med sina fyra horn fruktens lösa ytterlager borttaget), 6 en av hornspetsarna med sina hullingar (5/1).
Trapa natans has a very dense growth habit (Tall et al., Trapa natans L. Vassnøtt Hornnød Wassernuß Beskrivning. Sjönöt är en ettårig, vattenlevande ört som har en slankig stjälk som kan bli drygt en meter lång. Stjälken är nedsänkt i vattnet och är löst rotad i bottenslammet. The water caltrop is any of three extant species of the genus Trapa: Trapa natans, Trapa bicornis and the endangered Trapa rossica.It is also known as water chestnut, buffalo nut, bat nut, devil pod, ling nut, lin kok, ling jow, ling kio nut, mustache nut or singhada.
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Family Name: Trapaceae. Synonyms: Trapa bicornis Osbeck. Common Name: Water Caltrop, European Water Chestnut Description. As the name suggests, Trapa natans is a perennial aquatic plant. It has a submerged stem that can reach up to 15 feet long.
Family: Lythraceae.
How to say Trapa natans in English? Pronunciation of Trapa natans with 1 audio pronunciation, 5 synonyms, 1 meaning, 1 translation and more for Trapa natans.
1992. Publication Author Huxley.
Trapa natans. water chestnut. Family: Lythraceae. Other Scientific Names: Trapa bicornus. Other Common Names: bull nut
Stjälken är nedsänkt i … Trapa natans (Water Chestnut) was a widespread Eurasian water plant with edible seeds, and was introduced to North America as an ornamental plant in the 19th century. In the 20th century, it formed great blooms, clogging waterways in the Great Lakes, Hudson River, and in the Potomac, and upper Bay. In: Water Chestnut (Trapa natans) in the Chesapeake Bay Watershed - a regional management plan, Maryland, USA: Maryland Department of Natural Resources. O'Neill C R, 2006. Water chestnut (Trapa natans) in the Northeast. In: Water chestnut (Trapa natans) in the Northeast, Brockport, New York: Sea Grant.
Some botanists regard this species as the only genuine member of the genus, with all other species considered to be no more than a part of this one highly polymorphic species[200. Title The New RHS Dictionary of Gardening. 1992. Publication Author Huxley. A. Publisher MacMillan Press Year 1992
The fruits of Trapa natans ssp natans in Kashmir are generally sold boiled and peeled, with stalks removed.
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The leaves connect to the stem by swollen stalks just below the leaf blades.
Within its introduced range, it naturalizes and spreads, and it grows very quickly within waterways. Trapa natans has a very dense growth habit (Tall et al.,
Trapa natans L. Vassnøtt Hornnød Wassernuß Beskrivning.
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Trap-bladder length 0 mm Underwater leaf blade edges the underwater leaf has smooth edges, without teeth Underwater leaf blade shape the underwater leaf blade is capillary (very fine and hair-like Trapa natans …
De Andra växter i familjen: trapa incisatrapa japonicatrapa pseudoincisatrapa quadrispinosa.