Immature seeds are used in soups etc. Mature seeds are eaten cooked. They are very nutritious, being rich in oil (up to 17%), protein, vitamin E and calcium. The seed can also be roasted and eaten like peanuts or fermented and used as tempeh. An edible oil is obtained from the seed. Root - raw or cooked like potatoes. Slightly sweet, it contains 20% or more protein, which is about 12 times that of potatoes. Leaves and young shoots - cooked. They are used like spinach. Flowers and flower buds - raw or cooked. They have a flavour similar to mushrooms when sautéed. The light blue flowers are also used as a colouring in foods.The roasted seed is a coffee substitute.
Medicinal uses(Warning!)There are no medicinal uses listed for Psophocarpus tetragonolobus.
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Very widely cultivated as a food plant in the tropics and sub-tropics, there are many named varieties. 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 but day-neutral varieties are being developed that will flower in the summer in northerly and southerly latitudes. Temperatures in the range of 25 - 30°c are necessary for optimum growth. Plants take 60 - 80 days from sowing to the first harvest of seedpods. Mature tubers can be harvested 120 - 240 days from sowing. The plant is very disease resistant.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.
Problems, pests & diseases
Associations & Interactions
There are no interactions listed for Psophocarpus tetragonolobus. Do you know of an interaction that should be listed here? to add it.
Polycultures & Guilds
There are no polycultures listed which include Psophocarpus tetragonolobus.
This table shows all the data stored for this plant.
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