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Summary
Physical Characteristics
Cordeauxia_edulis is an evergreen Shrub growing to 4 m (13ft) by 4 m (13ft) at a slow rate.
See above for USDA hardiness. It is hardy to UK zone 10.
It can fix Nitrogen.
Suitable for: light (sandy) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.
UK Hardiness Map
US Hardiness Map
Synonyms
No synonyms are recorded for this name.
Plant Habitats
Edible Uses
Seed - raw, roasted or boiled as a vegetable[418 ]. A sour flavour when eaten fresh or dried, but they have a sweetish, agreeable, chestnut-like taste after roasting[299 ]. The seeds may also be boiled for a sweet liquor[418 ]. The size of a large filbert with a smooth consistency and a delicious chestnut-like flavour[301 , 418 ]. Nutritious[301 ]. The seed has a thin, easily broken shell[63 ]. The carbohydrate and protein content of the seeds is lower than in pulses and other legumes, but they are richer in sugars and fats, hence providing a balanced diet and high energy[303 ]. The seeds have been mentioned as a coffee substitute[299 ]. An infusion of the leaves is used as a tea substitute[299 , 301 , 324 , 418 ].
References More on Edible Uses
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.
Cordeauxiaquinone, a substance found in the leaves and other parts of the plant, is used medicinally to stimulate haemopoensis[303 ]. Cordeauxia edulis is said to regulate gastric secretion and to permit treatment of ulcers due to hot food. It is also believed to alleviate anaemia by augmenting the number of red blood cells[299 ].
References More on Medicinal Uses
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Other Uses
The plant contains cordeauxiaquinone, a brilliant red dye which is unknown elsewhere in the plant kingdom[324 , 418 ]. Cordeauxiaquinone produces fast, insoluble dyes with some metals and is used as a mordant in dyeing factories[324 ]. The bones of animals that browse the plant become pink due to the cordeauxiaquinone[324 ]. A substance between liquid oil and fat, less pleasant than olive oil but useful for soap making, is extracted from it[303 ]. I assume it is extracted from the seed[K ]. The seed oil is useful for soap making[299 ]. The wood is used for firewood[324 , 418 ]. A hard wood, it burns well even when still wet[303 ].
Special Uses
References More on Other Uses
Cultivation details
A plant of the lowland arid tropics and subtropics, where it is found at elevations up to 1,000 metres. It grows best in areas where annual daytime temperatures are within the range 25 - 30?c, but can tolerate 20 - 38?c[418 ]. It prefers a mean annual rainfall in the range 200 - 400mm, but tolerates 100 - 600mm[418 ]. In more humid climates, plants produce more vegetative growth, but often at the expense of fruiting[324 ]. Requires a sunny position in a light, very well-drained soil[324 , 418 ]. Succeeds in poor soils that are extremely low in nitrogen[303 ]. Prefers a pH in the range 6.5 - 7.5, tolerating 6 - 8.4[418 ]. Established plants are very drought tolerant[303 ]. Early aerial growth of young plants is slow until the massive root system is established[324 ]. Plants only 1cm tall can have roots 15cm or more long[324 ]. Plants begin to bear well when 3 - 4 years old[324 ]. Plants begin to bear prolifically when only 1 - 1.2 metres tall[301 ]. Yields of around 5 kg of seeds per shrub can be achieved[324 ]. Such is the demand and free access to all wild plants that the fruits are often collected from the shrubs before they are fully mature[324 ]. Plants can live for 200 years or more[299 ]. A very deep rooted tree[63 ]. The tree has somewhat fleshy leaves that stain the fingers red on being rubbed[63 ]. 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[303 ].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant Propagation
Seed - best sown as soon as it is ripe, when germination is usually good[324 ]. The viability is low if the seed is stored for a few months; however, seeds coated in wood ash and stored in a sack are reputed to remain viable for at least a year[324 ]. Germination is rapid, but subsequent growth of the aerial parts is very slow, especially in the seedling stage, whereas the root system grows rapidly. Plants 60cm tall may already have roots 2 metres long[299 ]. Sowing in situ is recommended because problems exist with moving seedlings from the nursery due to rapid tap-root development[324 ]. Vegetative propagation possible.
Other Names
If available other names are mentioned here
Ehb, Gud, Jeheb, Qud, Quda, Ye-eb
Native Range
AFRICA: Ethiopia, Somalia (south)
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.
None Known
Conservation Status
IUCN Red List of Threatened Plants Status : Status: Vulnerable A2cd
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
Hemsl.
Botanical References
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.
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Subject : Cordeauxia_edulis
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