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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In the Bantu-speaking regions of Uganda it is known as Doodo [5] and is commonly cut very finely and cooked with onions and tomatoes or sometimes mixed with a peanut sauce. Commercial growers prefer the more amaranhhus Amaranthus cruentus. Amaranthus dubius is a subsistence vegetable and a collected pot herb, seldom found in markets, but in Kenya it is grown on a commercial scale and sold in city markets.

Amaranthus dubius in Flora of North America @

Acta Botanica Venezuelica, 33 2: Cytomorphological and phylogenetic studies of the genus Amaranthus from Nigeria. Canadian Journal of Botany The basal part of the plant containing the pupae swells and the plant growth is much retarded. No statistical data on production are available. It is amaratnhus common plant in waste places, amarantthus, flood plains, river banks and cleared forest areas.

There are 21 citations in Afrirefs related to Amaranthus dubius Mart. Traditional food plants of Kenya.

We have very little information on this species but it should succeed as a spring-sown annual in Britain. World Bank on indigenous vegetables and food security. It flowers from summer to fall in the tropics, but can flower throughout dubiuw year in subtropical conditions. QR Codes are barcodes that can be read by mobile phone smartphone cameras. Please consider upgrading your browser to the latest version or installing a new browser.


Weeds of Sugar Cane in Mauritius: Caryophyllydae, part 14: Habitat Top of page The main habitats in which A.

Amaranthus dubius

Uses Top of page Economic Value A. An extensive alien plant inventory from the inhabited areas of Galapagos. Erect annual herb, up to cm tall; stems slender to stout, branched, glabrous or upwards, especially in the inflorescence, with short to rather long hairs. Prevention and Control Top of page Chemical control A. Flowering time is from May to September amarantuus to autumn in the tropics and various seasons in the subtropics.

This species most probably originated as a result of ancient hybridization between A. Leaves arranged spirally, simple, without stipules; petiole up to 8. Market seed production in the field yields around kg seed per ha in a five-month period.

Amaranthus dubius Mart. ex Thell.

Invasiveness Investigations about the history smaranthus introduction, substratum characteristics, pollination, seed production, dispersal, germination and pollen morphology. Charles Darwin Foundation, unpaginated. Right plant wrong place.

Emergence of the seedling takes place 3—5 days after sowing. Synopsis of subgenus Amaranthus Amaranthus, Amaranthaceae in Venezuela. Amaranthus dubius is a weedy plant widespread throughout the humid lowland tropics. Pacific Islands Ecosystems at Risk. Naturalized in Europe, Asia and N. Heavy metal health risk assessment and microbial menaces via dietary intake of vegetables collected from Delhi and national capital regions peri urban area, India. Waste places, disturbed habitats; m; introduced; Fla.

Flowering may start 4—8 weeks after sowing.

Always seek advice from a professional before using a plant medicinally. Spleen amaranth Plants glabrous duius sparsely pubescent in distal parts. Flora of the Bahama Archipelago. The emergence of the amwranthus takes place days after sowing. In general Amaranthus dubius is susceptible to the main pests and diseases of Amaranthus cruentusbut it is less susceptible to stemrot dubiis by the fungus Choanephora cucurbitarumthe main disease of Amaranthus cruentusand to damping-off caused by Pythium.


One or more of the features that are needed to show you the maps functionality are not available in the web browser that you are using. It is also recorded growing in disturbed amarqnthus in Hawaii, in secondary vegetation, and as a weed in clearings, gardens, waste places and plantations PIER, Amaranth does not seem to need to be rotated with other crops since no serious soilborne disease has been observed.

Most if not all members of this genus photosynthesize by a more efficient method than most plants. It cannot grow in the shade. Risk and Impact Factors Top of page Invasiveness Proved invasive outside its native range Abundant in its native range Highly adaptable to different environments Is a habitat generalist Pioneering in disturbed areas Tolerant of shade Highly mobile locally Benefits from human association i.

There are 9 news article citations related to Amaranthus dubius Mart. Taxonomy and richness of nine genera of Amaranthaceae s. An earlier sowing can be made in a greenhouse and the plants put out after the last expected frosts. Amaranthus dubius 1, flowering and fruiting branch; 2, fruit; 3, seed.

Staminate flowers usually clustered at tips aamranthus inflorescence branches, sometimes gathered in proximal glomerules as in A. The larvae of the stem borer Lixus truncatulus may cause much damage, sometimes already in the seedbed.