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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The cultivar ‘Claroen’ is considered to be one of the best cultivars[]. Spleen amaranth Plants glabrous or sparsely pubescent in distal parts. Breeding of Amaranthus dubius as a leafy vegetable has been carried out at Tamil Nadu Agricultural University, Coimbatore, India; several commercial cultivars are amzranthus.

Amaranthus dubius – Useful Tropical Plants

This is a QR code short for Quick Response which gives fast-track access to our website pages. Citation in news articles. Synopsis of subgenus Amaranthus Amaranthus, Amaranthaceae in Venezuela. The cultivated dubiux may have been developed from the weedy ancestor in tropical Asia Indonesia, India and is found in several African and Central American countries, where immigrants have introduced it. Summary of Invasiveness Top of page A.

Phytosociological studies on anthropic communities, particularly in Africa, Asia, and Australia, and on American tropical woodland. Amaranthus dubius early flowering due to dry A detailed study on the chorology of A. Utricles ovoid or subglobose, 1.


Horizontal rooting stem the plant does not have stolons Lifespan the plant lives only a single year or less Parasitism dubiua plant is not parasitic Plant color the leaves or young stems of the plant are green Plants darken when dry no Spines on plant the plant has no spines. Flowering time is from May to September summer to autumn in the tropics and various seasons in the subtropics. The composition of Amaranthus dubius leaves is comparable to Amaranthus cruentus and other amaranth leaves.

Seeds dark reddish brown to black, subglobose or lenticular, 0. Glands on leaf blade the leaf blades do not have glandular dots or scales Sap the sap is clear and watery Sap color the sap is clear. It is frost tender. No virus diseases have been reported. Amaranthus dubius Aluka – Amaganthus dubius Mart. Staminate flowers usually clustered at tips of inflorescence branches, sometimes gathered in proximal glomerules as in A.

Natural interspecific hybridization between Amaranthus dubius and A.

Amaranthus dubius

In Uganda Amaranthus dubius plants are used for the preparation of potash. Robertson to accommodate this particular species.

This page was last edited on 7 Decemberat Commercial growers harvest by uprooting, by cutting at ground level or by ratooning. Palmer, ; PIER, Yet in germination trials with vegetable types, germination was stimulated by darkness.

Amaranth is a very high consumer of minerals. It has escaped from c Retrieved from ” https: Flora of Ecuador, However, especially in tropical Africa it is widely naturalized and cultivated and could compete with other cultivated plants, causing a reduction in agricultural income see for example Costea et al.


Amaranthus dubius (spleen amaranth): Go Botany

It could also propagate and spread in Europe, possible by human activity and bird migrations. Bracts lanceolate, shorter than 2 mm usually 1. 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. Amaranthus dubiusthe red spinachChinese spinachsimplified Chinese: There are 91 citation in scholarly articles related to Amaranthus dubius Mart.

Take a photo and post a sighting. It is sold in bunches or by weight.

A Revised Handbook to the Flora of Ceylon. A study of the pollen grains of Amaranthus spinosus Linne and A. There are 15 Wikipedia citations related to Amaranthus dubius Mart. Our new book to be released amarantyus is Edible Shrubs. Market seed production in the field yields around kg seed per ha in a five-month period. Flowers unisexual, subsessile, with 4— 5 tepals up to 2.

Seed lenticular, compressed, c. Articles with ‘species’ amaanthus Articles containing simplified Chinese-language text Articles containing traditional Chinese-language text All articles with unsourced statements Articles with unsourced statements from July Taxonbars with 20—24 taxon IDs. Amaranthus amwranthus about 70 species, of which about 40 are native to the Americas. There are 2 study abstracts related to Amaranthus dubius Mart. Flora of Tropical East Africa.