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Trapa bicornis - Osbeck.
                 
Common Name Ling, Horn nut
Family Trapaceae
USDA hardiness 4-8
Known Hazards The raw seed contains toxins but that these are destroyed in the cooking process[200, 206].
Habitats Not known
Range E. Asia - China.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Water Plants Full sun

Summary

Trapa bicornis Ling, Horn nut


Trapa bicornis Ling, Horn nut
commons.wikimedia.org/wiki/User:Fred_Hsu
   
Physical Characteristics
 
Trapa bicornis is a PERENNIAL.
It is hardy to zone (UK) 5 and is not frost tender. The flowers are hermaphrodite (have both male and female organs)Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid and neutral soils. It cannot grow in the shade. It can grow in water.

Synonyms
T. bicornuta.

Habitats
 Pond;
Edible Uses
Edible Parts: Seed.
Edible Uses:

Seed - cooked. A crunchy texture with a bland flavour[206]. Rich in starch, the raw seed contains a deleterious principle that is destroyed by cooking[200]. The cooked seed can be dried and ground into a powder[200].
Medicinal Uses


Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Antipyretic;  Astringent;  Cancer;  Tonic.

The flowers are astringent in fluxes[218]. The fruit is used in the treatment of fever and sunstroke[218]. The plant is anticancer, antipyretic and tonic[218].
Other Uses
None known
Cultivation details
An aquatic plant, floating by means of inflated petioles, it succeeds in still or slowly-flowing water requiring a position in full sun and a slightly acidic water with a rich planting medium[200]. Plants require a high summer temperature in order to perform well, they are not frost hardy[206]. Some botanists regard this species as no more than a part of the one highly polymorphic species T. natans[200]. This species was used for food in Neolithic Britain[200].
Propagation
Seed - harvest in late summer and store overwinter in a jar of water in a cold but frost-free place. The seed quickly loses its vitality if it is allowed to become dry. Sow in spring, placing one seed in each pot and submerging them under a few centimetres of water.
Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Centaurea calcitrapaCommon Star Thistle, Red star-thistle11
Tetrapanax papyriferRice Paper Plant, Chinese Rice Paper Plant11
Trapa incisa 10
Trapa japonica 10
Trapa natansWater Chestnut40
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Expert comment
 
Author
Osbeck.
Botanical References
200
Links / References
For a list of references used on this page please go here
Readers comment
 
Elizabeth H.
kent Fri Dec 30 2005
if ever you want any, contact me. I live in Borneo labuanutang@yahoo.co.uk
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Subject : Trapa bicornis  

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