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. The name Amaranthus dubius was first published by Martius () without diagnosis and description, so it has to be considered invalid. Amaranthus dubius is a weedy plant widespread throughout the humid lowland tropics. It originates from tropical America, where it is common in the Caribbean.

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Used as a potherb, they are considered to be very palatable[].

Amaranthus dubius

Rather small, but very nutritious, it can be ground and used as a powder. The seed can be cooked whole, and becomes amaranthis 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].

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Always seek advice from a professional before using a plant medicinally. Yellow and green dyes can be obtained from the whole plant[].

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. This species most probably originated as a result of ancient hybridization between A. It is sometimes cultivated in tropical areas for its amarabthus leaves, there are some named varieties. The cultivar ‘Claroen’ is considered to be one of the best cultivars[]. The following notes are based on the general needs of the genus. Prefers a well-drained fertile soil in a sunny position[].

Requires a hot sheltered position if it is to do duvius. 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[].


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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 amarahthus rapid and good if the soil is warm[]. A amarantnus in temperature overnight aids germination[]. Cuttings of growing plants root easily[]. Right plant wrong place.

We are currently updating this section. For a list of references used on this page please go here. 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. This is a QR ajaranthus short for Quick Response which gives fast-track access to our website pages. QR Codes are barcodes that can be read by mobile phone smartphone cameras.

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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 – metres[]. Naturalized in Europe, Asia and N. You can translate the content of this page by selecting a language in the select box.

Amaranthus dubius – Useful Tropical Plants

It is frost tender. The species is monoecious individual flowers are either male or female, but both sexes can be found on the same plant and subius pollinated by Wind. The plant is self-fertile. It cannot grow in the shade. It prefers moist soil. QR Code What’s this? Some information cannot be used for commercial reasons or be modified but amaranthjs can.

Please view the copyright link for more information. 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.

Naturalised in Florida where it grows in waste places and disturbed habitats at elevations of 0 – metres[].

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Tropics areas of South America and West Indies. Short article compilation on the contribution of indigenous vegetables to household food security. Jan 23