am·a·ranth

, amaranthum (am'ă-ranth, am-ă-ran'thŭm), [C.I. 16185]

An azo dye; a soluble reddish-brown powder that turns magenta red in solution; used as a food, pharmaceutical, and cosmetic coloring agent, and occasionally in histology.

[G. amaranthon, a never-fading flower]

Farlex Partner Medical Dictionary © Farlex 2012

am·a·ranth

(am'ă-ranth)

A weed (Amaranthus) of widespread geographic distribution; some species are consumed as a foodstuff; its prolific ability to produce seed allows its use as a flour. Purported value both internally and externally (e.g., astringent).
Synonym(s): love-lies-bleeding, red cockscomb.

[G. amaranthon, a never-fading flower]

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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References in periodicals archive

The effect of maize residues and tillage on emergence of Setaria faberi, Abutilon theophrasti, Amaranthus retroflexus, and Chenopodium album.

Biology of Amaranths

The primary weeds observed at both locations were giant foxtail (Setaria faberi Herrm.), common lambs-quarter (Chenopodium album L.), redroot pigweed (Amaranthus retroflexus L.), and Pennsylvania smartweed (Polygonum pensylvanicum L.).

Spring-seeded smother plants for weed control in corn and soybean

Effects of short-term selection along environmental gradients on variation in populations of Amaranthus retroflexus and Abutilon theophrasti.

Genetic effects of germination timing and environment: an experimental investigation

Family Taxon Amaranthaceae Amaranthus retroflexus L.

Introduction and spread of weed flora in Islamabad Gharb region, and its role in preventing crop production

Os valores de Tb estimados nesse trabalho sao proximos da Tb estimada para seis especies daninhas de culturas de verao dos Estados Unidos--1,3[grados]C para Ambrosia trifida, 8,0[grados]C para Digitaria sanguinalis, 8,5[grados]C Amaranthus retroflexus, 4,5[grados]C Abutilon theophrasti, 2,2[grados]C para Panicum milliaceum e 5,1[grados]C para Eriochloa villosa (GRAMIG & STOLTENBERG, 2007).

Temperatura base para emissao de folhas e nos, filocrono e plastocrono das plantas daninhas papua e corriola

Allelopathic effects of selected medicinal plants on Amaranthus retroflexus and Chenopodium murale.

Screening indigenous tree species for suitable tree-crop combinations in the agroforestry system of Mizoram, India/parismaiste puuliikide vordlusuuring, leidmaks sobilikku puu- ja viljakultuuri kombinatsiooni agrometsanduslikus susteemis Mizoramis Indias

Effect of corn-induced shading and temperature on rate of leaf appearance in redroot pigweed (Amaranthus retroflexus L.).

Development of redroot pigweed is influenced by light spectral quality and quantity. (Crop Physiology & Metabolism)

The flora of the plot borders was dominated by lambsquarter (Chenopodium album L.), dandelion (Taraxacum officinale Weber ex Wiggers), Muhlenbergia frondosa (Poiret) Fernald, foxtail grass (Setaria spp.), rough pigweed (Amaranthus retroflexus L.) and yellow nutsedge (Cyperus esculentus L.) (Plant nomenclature follows Gleason and Cronquist, 1991.) Areas surrounding the study site consisted of grasses which were mowed occasionally for hay as well as conventional and conservation tillage corn fields.

Ground beetle (Coleoptera: Carabidae) activity density and community composition in vegetationally diverse corn agroecosystems

Bhowmik and Doll (1983) investigated the allelopathic effects of redroot pigweed (Amaranthus retroflexus) and yellow foxtail (Setaria glauca) residues on corn (Zea mays) and soybean (Glycine max) at different temperatures and photosynthetic photon flux densities (PPFD).

Is separating resource competition from allelopathy realistic?

1993), and there were substantial differences in germination of Pgi genotypes of Amaranthus retroflexus in response to variation in oxygen availability and soil moisture (Zangerl and Bazzaz 1984a,b).

Genetic comparisons of seed bank and seedling populations of a perennial desert mustard, Lesquerella fendleri