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Amaranthus dubius - C.Mart. ex Thell.

Common Name Spleen Amaranth
Family Amaranthaceae
USDA hardiness Coming soon
Known Hazards No members of this genus are known to be poisonous, but when grown on nitrogen-rich soils they are known to concentrate nitrates in the leaves. This is especially noticeable on land where chemical fertilizers are used. Nitrates are implicated in stomach cancers, blue babies and some other health problems. It is inadvisable, therefore, to eat this plant if it is grown inorganically.
Habitats Naturalised in Florida where it grows in waste places and disturbed habitats at elevations of 0 - 100 metres[270].
Range Tropics areas of South America and West Indies. Naturalized in Europe, Asia and N. America..
Edibility Rating    (2 of 5)
Other Uses    (1 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Moist Soil Full sun
Amaranthus dubius Spleen Amaranth


http://www.hear.org/starr/
Amaranthus dubius Spleen Amaranth

 

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Summary


Physical Characteristics

 icon of manicon of flower
Amaranthus dubius is a ANNUAL growing to 1 m (3ft 3in).
It is frost tender. It is in leaf from April to October, in flower from July to September, and the seeds ripen from August to October. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Wind. The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

 Cultivated Beds;

Edible Uses

Edible Parts: Leaves  Seed
Edible Uses:

Leaves - cooked[177]. Used as a potherb, they are considered to be very palatable[183]. Seed - cooked. Rather small, but very nutritious, it can be ground and used as a powder. The seed can be cooked whole, and becomes very gelatinous like this, but it is rather difficult to crush all of the small seeds in the mouth and thus some of the seed will pass right through the digestive system without being assimilated[K].

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.


None known

References   More on Medicinal Uses

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Other Uses

Dye

Yellow and green dyes can be obtained from the whole plant[168].

Special Uses

Dynamic accumulator

References   More on Other Uses

Cultivation details

We have very little information on this species but it should succeed as a spring-sown annual in Britain. It is very closely related to A. spinosus[270]. This species most probably originated as a result of ancient hybridization between A. spinosus and either A. hybridus or A. quitensis[270]. It is sometimes cultivated in tropical areas for its edible leaves, there are some named varieties. The cultivar 'Claroen' is considered to be one of the best cultivars[183]. The following notes are based on the general needs of the genus. Prefers a well-drained fertile soil in a sunny position[200]. Requires a hot sheltered position if it is to do well[K]. Plants should not be given inorganic fertilizers, see notes above on toxicity. Most if not all members of this genus photosynthesize by a more efficient method than most plants. Called the 'C4 carbon-fixation pathway', this process is particularly efficient at high temperatures, in bright sunlight and under dry conditions[196].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

Type a value in the Celsius field to convert the value to Fahrenheit:

Fahrenheit:

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Plant Propagation

Seed - sow late spring in situ. An earlier sowing can be made in a greenhouse and the plants put out after the last expected frosts. Germination is usually rapid and good if the soil is warm[133]. A drop in temperature overnight aids germination[133]. Cuttings of growing plants root easily[206].

Other Names

If available other names are mentioned here

Native Range

NORTHERN AMERICA: Mexico (Nuevo León, Sonora, Campeche, Chiapas, Colima, Guerrero, Jalisco, Morelos, Quintana Roo, Tabasco, Veracruz de Ignacio de la Llave, Yucatán) SOUTHERN AMERICA: West Indies, Central America, French Guiana, Guyana, Suriname, Venezuela, Brazil, Colombia, Ecuador, Peru

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 NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Amaranthus albusProstrate PigweedAnnual0.7 8-10  LMHNM201
Amaranthus bidentata Annual0.9 -  LMHNM211
Amaranthus blitoidesMat AmaranthAnnual0.2 6-10  LMHNM201
Amaranthus blitumSlender Amaranth, Purple amaranthAnnual1.0 4-8  LMHNM422
Amaranthus campestris Annual0.0 -  LMHNM211
Amaranthus caudatusLove Lies BleedingAnnual2.0 4-8  LMHNDM412
Amaranthus cruentusPurple Amaranth, Red amaranthAnnual2.0 3-11  LMHNM422
Amaranthus diacanthus Annual0.0 -  LMHNM201
Amaranthus frumentaceus Annual0.0 -  LMHNM201
Amaranthus graecizansSpreading Pigweed, Mediterranean amaranthAnnual0.5 0-0  LMHNM201
Amaranthus hybridusRough Pigweed, Slim amaranthAnnual2.0 6-12  LMHNM411
Amaranthus hypochondriacusPrince's Feather, Prince-of-wales featherAnnual/Perennial1.2 3-10  LMHNM432
Amaranthus mangostanus Annual1.5 -  LMHNM201
Amaranthus mitchelliiBoggabri WeedAnnual0.5 -  LMHNM201
Amaranthus pallidiflorus Annual1.0 -  LMHNM201
Amaranthus palmeriCareless WeedAnnual0.9 7-12  LMHNM201
Amaranthus polygamus Annual0.0 -  LMHNM211
Amaranthus polystachyus Annual0.0 -  LMHNM201
Amaranthus powelliiPowell's AmaranthAnnual1.8 6-11  LMHNM201
Amaranthus quitensisAtacoAnnual1.0 -  LMHNM201
Amaranthus retroflexusPigweed, Redroot amaranth, Wild BeetAnnual0.9 3-11  LMHNM322
Amaranthus spinosusSpiny AmaranthAnnual0.6 4-11  LMHNM231
Amaranthus standleyanusIndehiscent PigweedAnnual0.7 -  LMHNM201
Amaranthus tenuifolius Annual0.0 -  LMHNM201
Amaranthus thunbergiiThunberg's Pigweed, Thunberg's amaranthusAnnual0.5 0-0  LMHNM201
Amaranthus torreyiTorrey's amaranthusAnnual0.8 0-0  LMHNM201
Amaranthus tricolorChinese Spinach, Joseph's-coat, Fountain Plant, Tampala , Summer PoinsettiaAnnual1.0 3-11 MLMHNM312
Amaranthus viridisCalalu, Slender amaranthAnnual0.5 7-11  LMHNM321

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

C.Mart. ex Thell.

Botanical References

270

Links / References

For a list of references used on this page please go here

Readers comment

Short article (compilation)on the contribution of indigenous vegetables to household food security.   Jan 23 2012 12:00AM

This seems to be the indigenous spinach type frequent in central East Africa (Burundi, Rwanda, Uganda) locally known as dodo.
World Bank on indigenous vegetables and food security

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