amaranth

(redirected from Amaranthus retroflexus)
Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to Amaranthus retroflexus: Amaranthus hybridus

am·a·ranth

 (ăm′ə-rănth′)
n.
1.
a. Any of various annual plants of the genus Amaranthus having dense green or reddish clusters of tiny flowers and including weeds, ornamentals, and species cultivated for their edible leaves and seeds. Also called pigweed.
b. The small edible seeds of several of these species.
2. An imaginary flower that never fades.
3. A deep reddish purple to dark or grayish, purplish red.
4. A dark red to purple azo dye.

[New Latin Amaranthus, genus name, alteration of Latin amarantus, from Greek amarantos, unfading : a-, not; see a-1 + marainein, to wither; see mer- in Indo-European roots.]

amaranth

(ˈæməˌrænθ)
n
1. poetic an imaginary flower that never fades
2. (Plants) any of numerous tropical and temperate plants of the genus Amaranthus, having tassel-like heads of small green, red, or purple flowers: family Amaranthaceae. See also love-lies-bleeding, tumbleweed, pigweed1
3. (Cookery) a synthetic red food colouring (E123), used in packet soups, cake mixes, etc
[C17: from Latin amarantus, from Greek amarantos unfading, from a-1 + marainein to fade]

am•a•ranth

(ˈæm əˌrænθ)

n.
1. any plant of the genus Amaranthus, some species of which are cultivated as food and some for their showy flower clusters or foliage.
2. an imaginary flower that never dies.
3. a purplish red, water-soluble powder, C20H11N2O10Na3, used as a dye.
[1545–55; < Latin amarantus, alter. of Greek amáranton unfading flower, n. use of neuter singular of amárantos=a- a-6 + -marantos, v. adj. of maraínein to fade]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.amaranth - seed of amaranth plants used as a native cereal in Central and South Americaamaranth - seed of amaranth plants used as a native cereal in Central and South America
caryopsis, grain - dry seed-like fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn
2.amaranth - any of various plants of the genus Amaranthus having dense plumes of green or red flowersamaranth - any of various plants of the genus Amaranthus having dense plumes of green or red flowers; often cultivated for food
Amaranthus, genus Amaranthus - large widely distributed genus of chiefly coarse annual herbs
Amaranthus albus, Amaranthus graecizans, tumbleweed - bushy plant of western United States
Amaranthus caudatus, love-lies-bleeding, velvet flower, tassel flower - young leaves widely used as leaf vegetables; seeds used as cereal
Amaranthus cruentus, Amaranthus hybridus erythrostachys, Amaranthus hybridus hypochondriacus, gentleman's-cane, purple amaranth, red amaranth, prince's-feather, prince's-plume - tall showy tropical American annual having hairy stems and long spikes of usually red flowers above leaves deeply flushed with purple; seeds often used as cereal
Amaranthus hypochondriacus, pigweed - leaves sometimes used as potherbs; seeds used as cereal; southern United States to Central America; India and China
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
References in periodicals archive ?
The effect of maize residues and tillage on emergence of Setaria faberi, Abutilon theophrasti, Amaranthus retroflexus, and Chenopodium album.
Evaluation of Alternaria alternata for biological control of Amaranthus retroflexus.
Water extracts of sorghum plant parts considerably suppressed seed germination and seedling growth of Amaranthus retroflexus [17], Echinochloa colonum [18], Phalaris minor, Chenopodium album, Senebiera didyma, Cyperus rotundus and Rumex dentatus [19].
3], and Echinochloa crus-galli L, Amaranthus retroflexus L, Solanum nigrum L.
The following plant species were identified: Amaranthus retroflexus, Artemisia vulgaris, Erigeron canadensis, Sisymbrium loeselii and Cucurbita pepo.
Estudos realizados por KUROZAWA E PAVAN (2005) tambem verificaram a sobrevivencia de Xanthomonas vesicatoria (Doidge), um dos agentes causais da mancha bacteriana do tomateiro, em plantas espontaneas como Amaranthus retroflexus L.
The evaluation of the plant's ability to solubilize phosphorus in the soil demonstrated that Bidens pilosa, Amaranthus retroflexus and Leonotis nepetaefolia presented higher potentials for solubilizing phosphate when compared to the other weed species (Figure 2).
Digitaria adscendens, Brassica napus, Amaranthus retroflexus reach 93.
One species, a pigweed called Amaranthus retroflexus, was up to 40 times more effective than others tested in removing radiocesium from soil.
Effects of short-term selection along environmental gradients on variation in populations of Amaranthus retroflexus and Abutilon theophrasti.
Os tratamentos testados seguiram o esquema fatorial 2 x 5, sendo os fatores a combinacao de duas cultivares de oliveira, 'Arbequina' e 'Ascolano', quatro especies de plantas competidoras, Amaranthus retroflexus, Brachiaria brizantha, Bidens pilosa, Cenchrus echlnatus e um tratamento testemunha (sem competicao).