This species has been widely introduced as a green vegetable for human consumption and as a medicinal herb. A. dubius is an annual herb native to South America, Mexico and the West Indies. http://www.gbif.org/species. Show All Show Tabs spleen amaranth Sánchez-del Pino I, Espadas C, Pool R, 2013. Amaranthus dubius Mart. Wageningen, Netherlands: Plant Resources of Tropical Africa. Sogbohossou and Achigan-Dako (2014) distinguished two main groups of A. dubius accessions: (1) the dwarf types morphologically close to A. spinosus, which are early flowering, with low plant height (up to 1.2 m), small leaves and many branches and (2) the giant types which are late flowering, tall (up to 2 m), with broad leaves and few branches. Mosyakin SL, Robertson KR, 2003. Weeds of Sugar Cane in Mauritius: Their Description and Control. The name Amaranthus dubius was first published by Martius without diagnosis and description, so it has to be considered invalid. by Grubben, G. J. H. \Denton, O. Efloraofindia (earlier Indiantreepix) is the largest Google e-group in the world in this field & largest nature related in India devoted to creating awareness, helping in identification etc.  It may be eaten raw in thoran or cooked in curry and bhajis. Hymal. New infrageneric taxa and combinations in Amaranthus (Amaranthaceae). Stem rather slender to stout, usually branched, mostly hairless or with short to rather long hairs upwards, especially in the inflorescence. Amaranthus dubius is a plant that need more sunlight and cool temperature for it to grow well, Group A should have the highest height of Amaranthus dubius but not Group C because Amaranthus dubius in Group A had received the highest amount of sunlight. It is cultivated in many countries, especially in Africa, but it can be difficult to know whether its presence in a country is only as a cultivated plant or as a naturalised plant. Mauritius . It is frost tender. The main habitats in which A. dubius occurs are: tropical forest, humid lowland waste areas, vegetable gardens and roadsides (Mosyakin and Robertson, 2003; Palmer, 2009; Sukhorukov, 2011; Sanchez-del Piño et al., 2013). Townsend CC, 1980. Flora of Puerto Rico and adjacent islands: a systematic synopsis. Vegetable amaranth (Amaranthus sp.) leptostachys, Amaranthus dubius var. Plant resources of tropical Africa 2. It is a ruderal species, usually found in waste places or disturbed habitats. Notes on some little known Amaranthus taxa (Amaranthaceae) in the United States. Hill MJ, Vel TM, Holm KJ, Parr SJ, Shah NJ, 2002. Flora of Puerto Rico and adjacent islands: a systematic synopsis. Chen ShihHuei, Wu MingJou, 2007. A geographical atlas of world weeds. A. dubius most probably originated as a result of ancient hybridization between A. spinosus and either A. hybridus or A. quitensis (Mosyakin and Robertson, 2004). In: Phytotaxa, 107 1-74. Detailed coverage of invasive species threatening livelihoods and the environment worldwide. Northern Australia Quarantine Strategy: weeds target list. Amaranthaceae Amaranthus australis Amaranthus blitum Amaranthus crassipes Amaranthus dubius Amaranthus hybridus Amaranthus spinosus Amaranthus viridis. A. dubius is an annual herb native to South America, Mexico and the West Indies. Wageningen, Netherlands: Plant Resources of Tropical Africa. The biology of Canadian weeds. J Integr Med. Correll DS, Correll HB, 1982. La tige est assez robuste, peu ou non ramifiée, de couleur très … Description Amaranth is the name given to a group of approximately 70 species of annual or short-lived perennial plants in the genus Amaranthus including several species of aggressive edible weeds native to the US such as Amaranthus retroflexus (redroot pigweed). Sida, 19:931-974. ex Thell. Montpellier : 203 (1912). In A. hybridus and A. powellii the bracts are longer than or equal to the tepals (2-7 mm long) and the style branches are erect or slightly reflexed. https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomysimple.aspx, USDA-NRCS, 2015. Mosyakin and Robertson (1996) proposed a new taxon (Amaranthus nothosection Dubia Mosyakin & K. R. Robertson) to accommodate this particular species. Amaranthus dubius is considered to be a morphologically deviant allopolyploid. Als je ze wilt oogsten schud en wrijf je eens voorzichtig met je ene hand langs de bloeiaar terwijl je die boven je andere hand … Effect of split application of nitrogen on growth and yield of amaranthus (Amaranthus tristis L.) CO. 3., South Indian Horticulture, 33(2):100-102, Smithsonian Institution, 2012. Reduit, Mauritius: Mauritius Sugar Industry Research Institute. The green variety is practically indistinguishable from Amaranthus viridis. Synopsis of the subgenus Amaranthus (Amaranthus, Amaranthaceae) in Venezuela. http://www.hear.org/pier/index.html. Decline of indigenous crop diversity in colonial and post-colonial Rwanda (in press). It is in leaf from April to October, in flower from July to September, and the seeds ripen. In: Newslett. & Denton, O.A. Grubben GJH, 2004. Flora of the Bahama Archipelago., Vaduz, Liechtenstein: J. Cramer. Oriental & Unusual Amaranth Red Aztec,An improved Red Amaranth variety, with an intense red colour. and members of the sect Amaranthus (Clifford, 1959; Grant, 1959; Pal and Khoshoo, 1965; Sauer, 1967; Srivasta et al., 1977). ex Thell.. Protologue: Fl. Chau, Ho Le Quynh , Ho Trung Thong, Nguyen Van Chao, Pham Hoang Son Hung, Vu Van Hai, Le Van An, Fujieda A , Ueru T , Akamatsu M, 2014. In backyards with repeated pickings, Amaranthus dubius plants may become perennial, up amarabthus 2 years old. Spleen amaranth is native to Asia, Africa and Europe, and is widely cultivated as a green leafy vegetable in Africa and South Asia. Description (After Townsend, 1985)An annual herbaceous plant. (Amaranthus dubius Mart. The name Amaranthus dubius was first published by Martius without diagnosis and description, so it has to be considered invalid. Amaranths like fertile, free-drained alkaline soils. Pesticides should always be used in a lawful manner, consistent with the product's label. This plant is native to South America, Mexico, and the West Indies, however; it is widely introduced throughout the world. Phytotaxa, 107:1-74. GBIF, 2015. Alegbejo, J. O., 2013. Amaranthus dubius is a vigorous, erect, annual plant with a branched stem, growing from 30 - 150cm tall[270. University of Peradeniya & Smithsonian Institution, 1-57. Thellung (1912) validly published the name. Effects of intercropping on fresh leaf yield of Amaranth (A. dubius) in Western Kenya., Acta Horticulturae:173-180 http://www.actahort.org, Okafo, C. N., Umoh, V. J., Galadima, M., 2003. Database inventory of introduced plant species in the rural and urban zones of Galapagos. It is hardy to zone (UK) 5 and is not frost tender. It is frost tender. Flora of the West Indies., USA: Smithsonian Institution. Río Piedras, Puerto Rico: Editorial de la Universidad de Puerto Rico. Petiole shorter than to longer than blade; blade ovate, … A detailed study on the chorology of A. dubius, including: native range (Central and Southern America plus the Caribbean), adventive territories and distribution pattern in areas in which it is cultivated. GBIF, 2014. Famille: Amaranthaceae Nombre de chromosomes: 2n = 64 http://botany.si.edu/antilles/westindies/. The following notes are … 1. 158 pp. The green variety is practically indistinguishable from Amaranthus viridis. Spleen amaranth is native to Asia, Africa and Europe, and is widely cultivated as a green leafy vegetable in Africa and South Asia. https://plants.sc.egov.usda.gov, Wang QiuShi, Wang Yuan, Yan XiaoLing, Zeng XianFeng, Ma JinShuang, Li HongQing, 2015. Seychelles . The name Amaranthus dubius was first published by Martius (1814) without diagnosis and description, so it has to be considered invalid (McNeill et al., 2012). Amaranthus dubius Mart. 667 pp.. Guézou A, Trueman M, Buddenhagen CE, Chamorro S, Mireya Guerrero A, Pozo P, Atkinson R, 2010. Amaranthus dubius. Facts. Sánchez-del Pino I, Espadas C, Pool R, 2013. A. dubius could cause a loss of biodiversity, especially decreasing floristic richness, in communities where it is naturalized and where it is becoming invasive, such as in Cuba (Oviedo Prieto et al., 2012), Taiwan (Chen et al., 2007), Australia (Palmer, 2009) and Pacific islands (PIER, 2014). Further phytosociological studies are needed. Costea M, Tardif FJ, 2003. The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. Flora of Ecuador, 28. Description (After Townsend, 1985)An annual herbaceous plant. WildNet taxon ID 31140 Alternate name(s) Chinese spinach Conservation significant No Confidential No Endemicity Introduced Pest status Environmental Weed Other resources The Australasian Virtual Herbarium (AVH) Atlas of Living Australia Data source Madagascar . Spermatophyta. Mosyakin and Robertson (1999) proposed the new nothosection Dubia Mosyakin & K. R. Robertson (subgenus Amaranthus section Amaranthus) to house A. dubius, which is a morphologically deviant allopolyploid taxon very closely related to both A. spinosus L. (Sect. Amaranthus dubius. Although no studies on social impacts have been carried out, the abundant flowers, pollen production and small pollen size in the genus Amaranthus mean it could have an impact as an allergenic species (see for example Costea et al., 2001a; 2001b; Costea and Tardif, 2003; Iamonico, 2010). Material en COL. adv. Amaranthus cruentus, Amaranthus blitum, Amaranthus dubius, and Amaranthus tricolor. In Europe, it occurs locally in France and Germany. flexuosus, Amaranthus dubius var. Vegetable seed production., In: Vegetable seed production. Flora of St. John, U.S. Virgin Islands. Memoirs of the New York Botanical Garden, 78:1-581. 1,240 sds/gram. Taiwania, 52(1):59-69. http://tai2.ntu.edu.tw/taiwania. Amaranthus dubius Mart. - Buy this stock photo and explore similar images at Adobe Stock along with discussion & documentation of Indian Flora. Adams C D, 1972. Vegetable amaranths grow very well in the hot, humid regions of Africa, South-east Asia, Southern China, and India; they are represented by various amaranth species, such as A. tricolor, A. dubius, A. cruentus, A. edulis, A. retroflexus, A. viridis, and A. hybridus. Pistillate flowers: tepals 5, oblong-spathulate to oblong, not clawed, 1.5-2(-2.5) mm, apex acute, often very shortly mucronate, yellowish; style branches strongly spreading, shorter than body of fruit; stigmas 3. Wang QiuShi, Wang Yuan, Yan XiaoLing, Zeng XianFeng, Ma JinShuang, Li HongQing, 2015. An extensive alien plant inventory from the inhabited areas of Galapagos. For documenting flora of India that is being discussed on efloraofindia google e-group along with supplementing the working of the group. http://www.prota4u.org/search.asp. No virus diseases have been reported. On hybridization between Amaranthus dubius and A. spinosus in the vicinity of Ibadan, Nigeria. Leaf amaranth is a warm season crop adapted to hot humid climatic conditions. Value Class Food Cover; High: Average 25-50% of diet: Regular source of cover: Low: It is probable that, like A. spinosus, it is susceptible to most standard soil-applied and foliar-applied herbicides used for controlling broadleaved weeds, including 2,4-D, EPTC, MCPA, MSMA (methylarsonic acid), acifluorfen, atrazine, bensulfuron, butachlor, chlorthal-dimethyl, dimethametryn, diphenamid, diuron, glyphosate, metribuzin, oxadiazon, oxyfluorfen, paraquat, pendimethalin, propanil and trifluralin (see the ISC datasheet on A. spinosus: http://www.cabi.org/isc/datasheet/4653; CABI, 2014). Amaranthus dubius fue descrito por Mart. Australian Quarantine & Inspection Service, 110 pp. In: Atoll Research Bulletin, 495 48-71. Amaranthus is widely distributed in both tropical and sub tropical regions. Not hardy but thrives in the summer. In: Amaranthaceae, 1 [ed. Costea M, Sanders A, Waines G, 2001. Some amaranth species are cultivated as leaf vegetables, pseudocereals, and ornamental plants.Most of the Amaranthus species are summer annual weeds and are commonly referred to as pigweeds. ex Thell.. Protologue: Fl. Liogier HA, Martorell LF, 1982. De zaden kunnen crème, bruin, rood of zwart van kleur zijn. (Catálogo de las Plantas Vasculares del Cono Sur: (Argentina, Sur de Brasil, Chile, Paraguay y Uruguay))., USA: Missouri Botanical Garden Press. Amaranthaceae. Acta Botánica Venezuelica, 33(2):329-356. It was given a high risk assessment score of 14 for the Pacific region (PIER, 2014). Online Database. Pacific Islands Ecosystems at Risk. Amaranthaceae in Flora of North America. ex Thellung and their hybrids. The grain amaranths and their relatives: a revised taxonomic and geographic survey. Flora of Cuba., 1951-1957. McIntyre G, 1991. because of its spines and because it is not much liked. Sasirekha, N., Navaraj, P. S., 2015. Sealy, R. L., McWilliams, E. L., Novak, J., Fong, F., Kenerley, C. M., 1990. grows easily in the Caribbean and is widely used throughout the region interchangeably with spinach (Spinacia oleracea L) as a leafy green. Database inventory of introduced plant species in the rural and urban zones of Galapagos. Pancho HL, Herberger JV, Plucknett JP, Donald L, 1979. ex Thell. ex Thell. PROTA4U web database., [ed. http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0010276 DOI:10.1371/journal.pone.0010276. 6 (Special Issue No. Online Database. The green variety is practically undistinguishable from Amaranthus viridis. Nuytsia. Proceedings of the first national symposium 'New crops: research, development, economics', Indianapolis, Indiana, USA, 23-26 October 1988.:396-398. Database inventory of introduced plant species in the rural and urban zones of Galapagos. (Bangalore), 34:370-371. Sci. The green variety is practically indistinguishable from Amaranthus viridis. Annales Botanici Fennici, 33(4):275-281. Its preferred soils are fertile, well-drained and with a loose structure (Grubben, 2004). Bot. A spiny relative of amaranth called uray (A. spinosus L.) is common in some regions in the Philippines. Amaranth: Amaranthus spp. Beltsville, Maryland, USA: National Germplasm Resources Laboratory. It has both green and red varieties, as well as some with mixed colors. II. Origin of Amaranthus duibus. Debris and waste associated with human activities, http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=10031, http://botany.si.edu/antilles/westindies/, https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomysearch.aspx, https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomysimple.aspx, Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Please consider upgrading your browser to the latest version or installing a new browser. It can grow from near sea level up to 1300 m altitude in Papua New Guinea (PIER, 2014). Baton Rouge, USA: National Plant Data Center. A. dubius is a subsistence vegetable and a collected pot herb, seldom found in markets, but in Kenya and recently in Benin it is grown on a commercial scale and sold in city markets. Buy MABES WAREHOUSE Red Spinach 2000 Seeds - Amaranthus Dubius/Red Amaranth Asian Vegetables Healthy Plant, Medicinal Summer-Tolerant Green, Chinese Spinach Seeds for Planting: Vegetables - Amazon.com FREE DELIVERY possible on eligible purchases Amaranthus dubius Mart. No detailed studies about the vegetation communities associated with A. dubius have been published. A. dubius is morphologically similar to A. hybridus and A. powellii. PROTA (2014) noted that ‘it is almost impossible to make a distinction between A. dubius and A. spinosus based on morphological characters’ other than by the axillary spines in A. spinosus. Thellung A, 1912. Cadmium contamination in green leaves grown in Madurai District, India., International Journal of Current Microbiology and Applied Sciences, 4(2):610-616 http://www.ijcmas.com/vol-4-2/N.Sasirekha%20and%20P.S.Navaraj.pdf. Natural History > Life Cycle. Mosyakin and Robertson (1999) proposed the new nothosection Dubia Mosyakin & K. R. Robertson (subgenus Amaranthus section Amaranthus… Río Piedras, Puerto Rico: Editorial de la Universidad de Puerto Rico. ex Thell. http://botany.si.edu/antilles/westindies/. Charles Darwin Foundation, 2008. Amaranthus dubius. Goode, P.M. (1989) Edible Plants of Uganda. Review of Palaeobotany and Palynology, 23(4):287-291. Grain amaranths vary in flower, leaf and stem colour, but maroon or crimson colouring is common in … 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. Journal of Tropical and Subtropical Botany, 23(3):284-288. http://jtsb.scib.ac.cn/jtsb_en/ch/index.aspx, Waterhouse BM, Mitchell AA, 1998. Series Plant and Vegetation, 7. 289 pp. Amaranthus roxburghianus root extract in combination with piperine as a potential treatment of ulcerative colitis in mice. Physiological and genetic integrity of amaranth (Amaranthus spp.) Flowering plants of Jamaica. Amaranthus roxburghianus root extract in combination with piperine as a potential treatment of ulcerative colitis in mice. Amaranthus L. Flora of North America Editorial Committee (Magnoliophyta: Caryophyllydae, part 1), 4:410-435. Grain amaranth was an important crop for the preHispanic, New World … A. dubius is recorded as invasive on Cousine Island, Seychelles, where it occupies plateau and high woodland areas (Dunlop et al., 2005). Iamonico D, 2010. Seeds dark reddish brown to black, subglobose or lenticular, 0.8-1 mm diameter, shiny, smooth. Series Plant and Vegetation., 7 London, UK: Springer. Amaranthus dubius is considered to be a morphologically deviant allopolyploid. Palmer J, 2009. Bot, 44:1-4. Reunion Island . … Biology, life-strategy and invasiveness of Amaranthus retroflexus L. (Amaranthaceae) in central Italy: preliminary remarks. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries … The plant produces new shoots when older branches are already blooming. Zuloaga FO, Morrone O, Belgrano MJ, 2008. (Sinopsis del subgénero Amaranthus (Amaranthus, Amaranthaceae) en Venezuela.) Current knowledge on Amaranthus spp. Usually it grows to a size of 80–120 cm. No statistical data on production are available. Gdn, 54(2):103-37. http://data.gbif.org. It has very high concentrations of minerals in its leaves, and there is some concern that it can also take up toxic metals if present in the soil, rendering it toxic as a food. The species commonly found in Trinidad and Tobago is Amaranthus dubius (Mohoyodeen, 1995). PROTA Foundation. In general, A. dubius is susceptible to the main pests and diseases of A. cruentus, but it is less susceptible to stemrot caused by the fungus Choanephora cucurbitarum, the main disease of A. cruentus, and to damping-off caused by Pythium. by Dassanayake MD, Fosberg FR]. Cousin Island. A., 2004. ex Thell. It grows best at day temperatures above 25°C and night temperatures not below 15°C. In Taiwan, it is associated with weeds: Amaranthus spinosus, Bidens pilosa var. It is a ruderal species, usually found in waste places or disturbed habitats. An extensive alien plant inventory from the inhabited areas of Galapagos. Bissea: Boletín sobre Conservación de Plantas del Jardín Botánico Nacional de Cuba, 6(Special Issue 1):22-96. The name Amaranthus dubius was first published by Martius (1814) without diagnosis and description, so it has to be considered invalid (McNeill et al., 2012). Famille: Amaranthaceae Nombre de chromosomes: 2n = 64 In Africa A. dubius is locally naturalized. PROTA 2: Vegetables/Légumes)., [ed. USDA-ARS, 2013. A Revised Handbook to the Flora of Ceylon. Utricles ovoid or subglobose, 1.5-2 mm, slightly shorter than tepals, smooth to irregularly wrinkled, dehiscence regularly circumscissile. Amaranthus dubius Mart. Seeds are dispersed by wind, water, birds and as a contaminant in pasture and crop seeds and attached in agricultural machinery. Flowering plants of Jamaica. http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0010276. Historical and typification study; biometric intra- and interpopulation analyses on specimens collected from both native areas (central and southern America) and exotic ones (especially Africa); molecular studies at population level (both intrapopulational, especially for American native populations, and interpopulational, especially in comparison between American native populations and xenophyte populations in Africa, Asia and Australia), and comparative studies between the section Dubia Mosyakin & K. R. Robertson, the section Centrusa Griseb. Amaranthus cruentus A. hybridus A. spinosus A. caudatus A. thunbergii, which are all indigenous to the country Description of the plant Mature plant Amaranth species are erect or spreading annuals with a rough or prickly appearance. Germplasm Resources Information Network (GRIN). Hymal. - a review., Bayero Journal of Pure and Applied Sciences, 6(1):136-143 http://www.ajol.info/index.php/bajopas/article/view/99279/88571. Cousin And Cousine Islands Status and Management of Alien Invasive Species. A. dubius has the C4 photosynthesis pathway. Acevedo-Rodríguez P, 1996. Grubben, G.J.H. Journal of Tropical and Subtropical Botany. A. dubius has been intentionally introduced and grown as a green vegetable for human consumption in tropical and subtropical regions of the world, but there is also a high probability that it has been introduced unintentionally as a contaminant due to the small size of its seeds (PROTA, 2014; USDA-ARS, 2015). Oviedo Prieto R, Herrera Oliver P, Caluff MG, et al. Canadian Journal of Botany, 37:1063-70. Flora of the Bahama Archipelago. Amaranthus dubius Mart. seeds during storage., International Journal of Plant Breeding and Genetics, 7(1):35-46 http://scialert.net/fulltext/?doi=ijpbg.2013.35.46&org=10, León F, Alain H, 1957. Palmer J, 2009. Amaranthus dubius is a ANNUAL growing to 1 m (3ft 3in). Dunlop E, Hardcastle J, Shah NJ, 2005. Descriptive flora of Puerto Rico and adjacent islands. Material en COL. by Dassanayake, M. D. \Fosberg, F. R.]. Amaranthus dubius Mart. Pal, Sumit , Neelam Patel, Anushree Malik, Singh, D. K., 2015. ex Thell. In Benin it is usually cooked alone. Puu o Kali, Maui, Hawaii, USA. The species commonly found in Trinidad and Tobago is Amaranthus dubius (Mohoyodeen, 1995). Mona, Jamaica: University of the West Indies, 848 pp. In Uganda A. dubius is used in the preparation of potash. Curr. 126. Thellung (1912) validly published the name. The name Amaranthus dubius was first published by Martius without diagnosis and description, so it has to be considered invalid. Several amaranth species are useful as food crops and are grown both for their leaves and for their edible seeds, which are a nutritious pseudocereal (nongrass seeds used like cereal grains). However, it is not a legal authority for statutory or regulatory purposes.  dubius: epíteto latino que significa "dudoso, incierto". Ecological correlates of ex situ seed longevity: a comparative study on 195 species., Annals of Botany, 104(1):57-69 http://aob.oxfordjournals.org/, PROTA, 2014. ex Thell.. Protologue: Fl. Amaranthus dubius is a … It has been suggested that Amaranthus species were dispersed along trade routes between America, Europe and Asia. ex Thell. Microbial and parasitic contamination on fresh vegetables sold in traditional markets in Hue City, Vietnam, Journal of Food and Nutrition Research , 2(12):959-964, Chen ShihHuei, Wu MingJou, 2007. Taxonomy and richness of nine genera of Amaranthaceae s.s. (Caryophyllales) in the Yucatan Peninsula Biotic Province. Amaranthus tricolor verschilt wezenlijk van de andere Amaranthus-soorten en kruist niet met de andere soorten (is vooralsnog mijn ervaring). : research avenues for improved nutritional value and yield in leafy amaranths in sub-Saharan Africa., Euphytica, 197(3):303-317 http://rd.springer.com/journal/10681. In Uganda and Kenya it commands a lower price than, for example, Amaranthus dubius Mart. Beltsville, Maryland, USA: National Germplasm Resources Laboratory. Content. Grant WF, 1959. On Cousine Island, Seychelles, where A. dubius is recorded as invasive, Dunlop et al. Review of Palaeobotany and Palynology, 23:287-291. Grubben GJH, Denton OA, eds. Description Excellent. PHYTOREMEDIATION OF HEAVY METALS USING Amaranthus dubius _____ John Jason Mellem Submitted in complete fulfillment for the Degree of Master of Technology (Biotechnology) in the Department of Biotechnology and Food Technology, Durban University of Technology, ... SITE DESCRIPTION AND … https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomysearch.aspx, USDA-NRCS, 2015. The name Amaranthus dubius was first published by Martius without diagnosis and description, so it has to be considered invalid. It is in leaf from April to October, in flower in August, and the seeds ripen in September. In: Database inventory of introduced plant species in the rural and urban zones of Galapagos, Galapagos, Ecuador: Charles Darwin Foundation. A. dubius is a host plant for the bacterium Xanthomonas campestris affecting tomato and for the nematode Rotylenchulus reniformis affecting banana. Correll DS, Correll HB, 1982.  In Uganda, it is commonly cooked with onions, tomatoes and peanut sauce. Flowering starts after 4-8 weeks, showing a weak quantitative short-day reaction. Genetic improvement of vegetable crops. 1951-1957. Elle possède une racine pivotante profonde. Vaduz, Liechtenstein: J. Cramer. Germplasm Resources Information Network (GRIN). PROTA4U web database. This species is a prolific seed producer (Waterhouse and Mitchell, 1998). Amaranthus dubius is considered to be a morphologically deviant allopolyploid. Amaranthus: nombre genérico que procede del griego amaranthos, que significa "flor que no se marchita".
2020 amaranthus dubius description