Difference between revisions of "Trapa natans"

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Trapa natans, Linn. Water Chestnut. Water Caltrops. Jesuit's-nut. Petiole of floating lvs. 2-4 in. long, nearly glabrous; blade rhombic-orbicular, dentate in upper half, slightly villous along the nerves beneath: fr. 4-spined, but the 2 lateral ones shorter. Eu., Orient. —It has two kinds of lvs. The submerged ones are root-like, long, slender, and feathery. The floating lvs. form a loose rosette. The lf.-stalks are swollen and spongy near the apex. The fr. is an inch or two across and has 4 spinescent angles. It is roasted and eaten in some parts of Eu. like the common chestnut. It is sparingly naturalized in this country. Var. verbanensis, Cesati (T. verbanensis, De Not.), of Lake Maggiore in Italy, has deltoid lvs. and compressed 3-angled fr. with 2 short horns.
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Trapa natans, Linn. Water Chestnut. Water Caltrops. Jesuit's-nut. Petiole of floating lvs. 2-4 in. long, nearly glabrous; blade rhombic-orbicular, dentate in upper half, slightly villous along the nerves beneath: fr. 4-spined, but the 2 lateral ones shorter. Eu., Orient. Gn. 24, p. 557. G.C. II. 10:213. B.R. 259.—It has two kinds of lvs. The submerged ones are root-like, long, slender, and feathery. The floating lvs. form a loose rosette. The lf.-stalks are swollen and spongy near the apex. The fr. is an inch or two across and has 4 spinescent angles. It is roasted and eaten in some parts of Eu. like the common chestnut. It is sparingly naturalized in this country. Var. verbanensis, Cesati (T. verbanensis, De Not.), of Lake Maggiore in Italy, has deltoid lvs. and compressed 3-angled fr. with 2 short horns.
 
 
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Latest revision as of 17:00, 29 April 2010


Upload.png


Plant Characteristics
Habit   aquatic

Height: ⇕ 3 ft"ft" can not be assigned to a declared number type with value 3. to 5 ft"ft" can not be assigned to a declared number type with value 5.
Width: ⇔ 2 ft"ft" can not be assigned to a declared number type with value 2. to 4 ft"ft" can not be assigned to a declared number type with value 4.
Lifespan: ⌛ perennial
Bloom: ❀ early summer, mid summer, late summer
Cultivation
Exposure: ☼ sun
Features: ✓ flowers
USDA Zones: 5 to 8
Flower features: ❀ white
Scientific Names

Trapaceae >

Trapa >

natans >


Describe plant here...


Read about Trapa natans in the Standard Cyclopedia of Horticulture 

Trapa natans, Linn. Water Chestnut. Water Caltrops. Jesuit's-nut. Petiole of floating lvs. 2-4 in. long, nearly glabrous; blade rhombic-orbicular, dentate in upper half, slightly villous along the nerves beneath: fr. 4-spined, but the 2 lateral ones shorter. Eu., Orient. —It has two kinds of lvs. The submerged ones are root-like, long, slender, and feathery. The floating lvs. form a loose rosette. The lf.-stalks are swollen and spongy near the apex. The fr. is an inch or two across and has 4 spinescent angles. It is roasted and eaten in some parts of Eu. like the common chestnut. It is sparingly naturalized in this country. Var. verbanensis, Cesati (T. verbanensis, De Not.), of Lake Maggiore in Italy, has deltoid lvs. and compressed 3-angled fr. with 2 short horns. CH


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


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Species

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References

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