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| |common_name=Water caltrop, Water chestnut | | |common_name=Water caltrop, Water chestnut |
| |name_ref=Flora - A Gardener's Encyclopedia | | |name_ref=Flora - A Gardener's Encyclopedia |
| + | |habit=aquatic |
| + | |habit_ref=Wikipedia |
| |lifespan=perennial | | |lifespan=perennial |
| |life_ref=Flora - A Gardener's Encyclopedia | | |life_ref=Flora - A Gardener's Encyclopedia |
| + | |water=wet |
| + | |features=edible |
| |Temp Metric=°F | | |Temp Metric=°F |
− | |jumpin=If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!
| + | |image=Water-caltrops.jpg |
− | |image=Upload.png | |
| |image_width=240 | | |image_width=240 |
| }} | | }} |
− | __NOTOC__{{Plantbox
| + | The '''water caltrop''' , '''water chestnut''' or '''Singhara''' is either of two [[species]] of the [[genus]] ''Trapa'': ''Trapa natans'' and ''Trapa bicornis''. Both species are floating [[annual plant|annual]] [[aquatic plant]]s, growing in slow-moving water up to 5 meters deep, native to warm temperate parts of [[Eurasia]] and [[Africa]]. They bear ornately shaped fruits that resemble the head of a bull, each containing a single very large starchy seed. It has been cultivated in [[China]] and [[India]] for at least 3,000 years for these seeds, which are boiled and sold as an occasional streetside snack in the south of that country. |
− | | latin_name = ''Trapa''
| + | |
− | | common_names = water caltrop, water chestnut
| + | The water caltrop's submerged [[plant stem|stem]] reaches 12 to 15 ft (3.6 to 4.5 m) in length, anchored into the mud by very fine roots. It has two types of [[Leaf|leaves]], finely divided feather-like submerged leaves borne along the length of the stem, and undivided floating leaves borne in a rosette at the water's surface. The floating leaves have saw-tooth edges and are ovoid or triangular in shape, 2–3 cm long, on inflated petioles 5–9 cm long, which provide added buoyancy for the leafy portion. Four-petalled white [[flower]]s form in early summer and are [[insect-pollinated]]. The fruit is a nut with four 0.5 in (1 cm), barbed spines. [[Seed]]s can remain viable for up to 12 years, although most will germinate within the first two years. |
− | | growth_habit = ? <!--- tree, shrub, herbaceous, vine, etc --> | + | |
− | | high = ? <!--- 1m (3 ft) --> | |
− | | wide = <!--- 65cm (25 inches) -->
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− | | origin = ? <!--- Mexico, S America, S Europe, garden, etc -->
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− | | poisonous = <!--- indicate parts of plants which are known/thought to be poisonous -->
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− | | lifespan = <!--- perennial, annual, etc --> | |
− | | exposure = ? <!--- full sun, part-sun, semi-shade, shade, indoors, bright filtered (you may list more than 1) -->
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− | | water = ? <!--- frequent, regular, moderate, drought tolerant, let dry then soak -->
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− | | features = <!--- flowers, fragrance, fruit, naturalizes, invasive -->
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− | | hardiness = <!--- frost sensitive, hardy, 5°C (40°F), etc -->
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− | | bloom = <!--- seasons which the plant blooms, if it is grown for its flowers -->
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− | | usda_zones = ? <!--- eg. 8-11 -->
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− | | sunset_zones = <!--- eg. 8, 9, 12-24, not available -->
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− | | color = IndianRed
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− | | image = Water-caltrops.jpg
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− | | image_width = 240px <!--- leave as 240px if horizontal orientation photo, or change to 180px if vertical -->
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− | | image_caption = <!--- eg. Cultivated freesias -->
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− | | regnum = Plantae <!--- Kingdom -->
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− | | divisio = <!--- Phylum -->
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− | | classis = <!--- Class -->
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− | | ordo = <!--- Order -->
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− | | familia = <!--- Family -->
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− | }}
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| {{Inc| | | {{Inc| |
| Trapa (abbreviated from calcitrapa, which is the same as caltrops, an instrument of war used to impede the progress of mounted warriors; it had four spine-like projections, like the fruit of the water caltrops). Trapaceae or Hydrocaryaceae; by some retained in Onagraceae. Floating plants adapted to the aquarium. | | Trapa (abbreviated from calcitrapa, which is the same as caltrops, an instrument of war used to impede the progress of mounted warriors; it had four spine-like projections, like the fruit of the water caltrops). Trapaceae or Hydrocaryaceae; by some retained in Onagraceae. Floating plants adapted to the aquarium. |
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| ===Propagation=== | | ===Propagation=== |
− | {{edit-prop}}<!--- Type propagation info below this line, then delete this entire line -->
| + | The plant spreads by the rosettes and fruits detaching from the stem and floating to another area on currents or by fruits clinging to objects, birds and animals. |
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| ===Pests and diseases=== | | ===Pests and diseases=== |
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| ==Species== | | ==Species== |
− | <!-- This section should be renamed Cultivars if it appears on a page for a species (rather than genus), or perhaps Varieties if there is a mix of cultivars, species, hybrids, etc -->
| + | *''[[Trapa natans]]'' |
| + | *''[[Trapa bicornis]]'' |
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| ==Gallery== | | ==Gallery== |
− | {{photo-sources}}<!-- remove this line if there are already 3 or more photos in the gallery -->
| + | <gallery perrow=5> |
− | | + | File:Taiwan 2009 Tainan City Water Caltrop Field FRD 7922.jpg|Caltrop crop |
− | <gallery>
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| Image:Upload.png| photo 1 | | Image:Upload.png| photo 1 |
| Image:Upload.png| photo 2 | | Image:Upload.png| photo 2 |
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| {{stub}} | | {{stub}} |
− | [[Category:Categorize]]
| + | __NOTOC__ |
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− | <!-- in order to add all the proper categories, go to http://www.plants.am/wiki/Plant_Categories and copy/paste the contents of the page here, and then follow the easy instructions! -->
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