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Psophocarpus tetragonolobus - (L.)DC.
                 
Common Name Winged Bean
Family Fabaceae or Leguminosae
USDA hardiness 8-12
Known Hazards None known
Habitats Not known in the wild.
Range Original habitat is obscure, probably Tropical Africa.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Tender Moist Soil Full sun

Summary

Psophocarpus tetragonolobus Winged Bean


http://commons.wikimedia.org/wiki/File:Psophocarpus_tetragonolobus_Blanco2.293-cropped.jpg
Psophocarpus tetragonolobus Winged Bean
http://www.hear.org/starr/
   
Physical Characteristics
 icon of manicon of flower
Psophocarpus tetragonolobus is a PERENNIAL growing to 2 m (6ft 7in).
It is hardy to zone (UK) 10 and is frost tender. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.It can fix Nitrogen.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist soil.

Synonyms

Habitats
 Cultivated Beds;
Edible Uses
Edible Parts: Flowers;  Leaves;  Oil;  Oil;  Root;  Seed;  Seedpod;  Stem.
Edible Uses: Coffee;  Colouring;  Oil;  Oil.

Young seedpods - cooked for a few minutes[2, 46, 61, 116]. They tastes like French beans (Phaseolus vulgaris)[183]. The pods are harvested when about 15 - 20 cm long and 2cm wide[200]. They will store for up to 21 days at 10°c with a relative humidity of 90%[200]. The yields of pods average 250 - 500g per m²[200]. Immature seeds are used in soups etc[183]. Mature seeds are eaten cooked[2, 46, 61, 116]. They are very nutritious, being rich in oil (up to 17%)[160], protein, vitamin E and calcium. The seed can also be roasted and eaten like peanuts or fermented and used as tempeh[183]. An edible oil is obtained from the seed[183]. Root - raw or cooked like potatoes[160, 183]. Slightly sweet, it contains 20% or more protein, which is about 12 times that of potatoes[116, 183]. Leaves and young shoots - cooked. They are used like spinach[61, 116, 183]. Flowers and flower buds - raw or cooked[183]. They have a flavour similar to mushrooms when sautéed[116]. The light blue flowers are also used as a colouring in foods[183]. The roasted seed is a coffee substitute[183].
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.



None known
Other Uses
Green manure;  Oil;  Oil;  Soil reclamation.

A very good green manure with exceptional nitrogen-fixing properties, producing a greater weight of nodules per plant than any other member of the Leguminosae[200]. It is used for soil improvement and restoration[200].
Cultivation details
Agroforestry Services: Nitrogen;  Management: Standard;  Minor Global Crop;  Staple Crop: Protein-oil.

Prefers a loamy slightly acidic soil, but there are cultivars suitable for many soil types[200]. Tolerates heavy soils[116] but dislikes wet soils[200]. Dislikes drought[200]. Very widely cultivated as a food plant in the tropics and sub-tropics, there are many named varieties[183]. It is usually treated as an annual. In temperate zones it has to be grown as an annual crop. Most varieties will only flower when daylight hours are around 12 per day[116] but day-neutral varieties are being developed that will flower in the summer in northerly and southerly latitudes[200]. Temperatures in the range of 25 - 30°c are necessary for optimum growth[200]. Plants take 60 - 80 days from sowing to the first harvest of seedpods[200]. Mature tubers can be harvested 120 - 240 days from sowing[200]. The plant is very disease resistant[160]. This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[200].
Propagation
Pre-soak the seed for 12 hours in warm water and sow in early spring in a warm greenhouse. Place two or three seeds in each pot, thinning to the strongest plant. Plant them out in late spring or early summer, after the last expected frosts and give them the protection of a cloche or cold frame until they are growing away strongly[240].

Books by Plants For A Future

Other Names
Betlanei, Charfakia, Chipir, Dambala, Dara-dhambala, Fava de cavalo, Fogiolo quadrato, Four angled bean, Goa bean, Goabohne, Kacang botor, Kachang belimbing, Kachang botol, Kachang botor, Kechipir, Kecipir, Manilla bean, Pois asperge, Prapiey chrung, Samporong, Sbai daograng, Sem, Shikakumame, Si jiang dou, Sigarilyas, Sikaku mame, Su-ling dou, Sz kok tau, Thua phuu, Thua pu, Tua pu, asparagus bean|dara dambala, asparagus-pea, calamismis, four-angle-bean, goa bean, goa-bean, goabohne, goaböna, hane-mi-sasage, pois carré, princess-pea, shikaku-mame, winged bean, winged pea, winged-bean.
Found In
Africa, Asia, Brazil, Burma, Cambodia, Cameroon, Caribbean, Central Africa, China, Congo, Cook Islands, Côte d'Ivoire, East Africa, East Timor, Egypt, Fiji, Ghana, Hawaii, India, Indochina, Indonesia, Ivory Coast, Japan, Laos, Malaysia, Marianas, Mauritius, Myanmar, Nigeria, North Africa, Northeastern India, Pacific, Papua New Guinea, PNG, Philippines, Reunion, SE Asia, Senegal, Sierra Leone, Singapore, Solomon Islands, South America, Sri Lanka, Tahiti, Taiwan, Tanzania, Thailand, Timor-Leste, USA, Vanuatu, Vietnam, West Africa, Zambia,
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 : This taxon has not yet been assessed
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Expert comment
 
Author
(L.)DC.
Botanical References
200
Links / References
For a list of references used on this page please go here
A special thanks to Ken Fern for some of the information used on this page.
Readers comment
 
Elizabeth H.
Sun Nov 5 2006
any ideas on suppliers for this one? Cheers, Niels
Elizabeth H.
Ken Fern, Plants for a Future. Mon Nov 6 2006
The seed can often be obtained from http://www.b-and-t-world-seeds.com
Elizabeth H.
Bob Newey Sun Feb 11 2007
I live in Brisbane Queensland Australia and have some young seedlings to plant out in the garden on a long trellis,; is there any particular aspect they like to grow e.g facing east west etc, as certain plants including passionfruit require for optimum results Regards Bob Newey
Elizabeth H.
Ken Fern, Plants for a Future Sun Feb 11 2007
The plant prefers a fairly sunny position and grows best where the air is quite humid, though it seems to be quite tolerant of less than optimum conditions. It has been grown successfully as an annual in warmer temperate climates, in Queensland it should do well as a perennial.
Elizabeth H.
Jane Stambul Wed Oct 31 2007
Hi Niels, I know this is nearly one year too late. But if you are still interested to purchase (in bulk) this product (Winged Bean) fresh or dried whole plants, my family and I are cultivating this as crops to be supplied to Pharmaceuticals company in Europe and elsewhere in the world. So, if you read this message, please contact me directly by email: jane@jstradeconnections.com or contact me at landline: ++976 11 331763 or my mobile No. ++976 99756990 (Mongolia Branch Office) or My Kuala Lumpur Headoffice : ++60 3 79819327 Fax: ++ 60 3 79816782 Jane Stambul (Ms)
Elizabeth H.
Faloye Benjamin Sat Aug 29 2009
Hi, im growing this plant for research purpose. First step is the morphological characterization of the various accessions, thereafter, forage and seed nutrient composition.Nutrition value shall also be accessed. Genetic Resources Centre, International Institute of Tropical Agriculture, P.M.B 5320, Oyo State of Nigeria.

Hi, im growing this plant for research purpose. First step is the morphological characterization of the various accessions, thereafter, forage and seed nutrient composition.Nutrition value shall also be accessed.

Elizabeth H.
musta Tue Sep 29 2009
Hi guys, i'm from Indonesia. in my country, this seed have cultivated for many purpose. My experiment based on this seed, i learn how to make flour from this seed
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Subject : Psophocarpus tetragonolobus  

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