Online Flora of the Maltese Islands by Stephen Mifsud
 
     
   6 Aug 2026      ()
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Amaranthus graecizans   (Spreading Pigweed)


Amaranthus graecizans  (AMARANTHACEAE.) 
Images for this profile are taken from the Maltese Islands after year 2000.


Website launch: Oct-2002   Taxonomic update: Aug-2026    Code update: Jul-2026

Page Contents + Links

 
General Information Species Images
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Amaranthaceae Index Plant Family Index
 
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Datasheet Publication: Nov-2007 (last update: none)
Citation for this page Mifsud, S. (2007). Online Flora of the Maltese Islands (2002-2026): Amaranthus graecizans - datasheet published on Nov-2007. Retrieved on 06-Aug-2026 from https://www.MaltaWildPlants.com/AMAR/#AMAR

Nomenclature and General Information

Species name :

Amaranthus graecizansL.
Published in Sp. Pl. : 990 (1753)

Synonyms :
(basionym or principal syn.)

Glomeraria graecizans (L.) Cav.
Full list of synonyms : [Euro+Med] [WFO] [IPNI] [POWO] [Catalogue of Life] [Worldplants.de]

Plant Family :

Amaranthaceae Juss. (The Amaranth Family)
42 species from the Amaranthaceae family are recorded from the Maltese Islands.

English name(s) :

Spreading Pigweed

Maltese name(s) :

Ghobbejra ħamra

Status for Malta :

Indigenous. Present on the Maltese islands before man

Frequency :

Very Common     Common    Frequent     Scarce     Rare    Very rare    Extinct

Growth form :

Germination type [info]: Dicotyledon
Raunkiaer lifeform [info]: Therophyte ( annual plants, herbaceous, die after fruiting/seeding stage )

Legal Protection :

Not legally protected till the last update of this website (22/Aug/2025)

Red List (1989) :

Not listed in the Red Data Book of the Maltese Islands

Flowering Time :

June – October

Colour of Flowers:

Inconspicuous

Toxicity:

Not particularly toxic

Name Derivation :

Amaranthus: From the Greek 'amarantos' meaning unfading. The flowers of several species have a deep purple-red colour (from which the colour amaranth is derived) which retain the colour for a very long time. (Greek origin)
graecizans: ()

Planting in rural areas :

Can be planted in rural areas according to ERA Guidelines


Description, Habitat and Distribution
Botanical Description Stems up to 70 cm, usually erect, usually glabrous. Leaves 2-4 cm, ovate or elliptic-rhombic, usually acute. Inflorescence of axillary cymose clusters. Bracteoles 3/5-3/4 as long as the perianth, ovate, mucronulate. Perianth-segments 3, 1.3-2 mm, ovate-lanceolate, acute. Fruit longer than the perianth, somewhat muricate, dehiscing transversely, with green, longitudinal veins when young.
Habitat in Europe Pastures, abanandoned fields, agricultural areas, wasteland, open land usually close to anthropogenic activity.
Preferred habitat in Malta Fields and valleys close to agricultural areas
Chromosome number(s) 2n=32
Distributional range South Europe. Introduced throughout rest of Europe and often becomes naturalized.

Distributional maps from various sources
Occurrences in Europe
(from Flora Europaea till 1993)
Albania, Austria and Liechtenstein, the Azores, the Balaeric Islands, Bulgaria, Corse, Crete, Czeck Republic and Slovakia, France (incl. Monaco and Channel Islands but excluding Corse), Greece, Spain (incl. Andorra but excl. the Balaerics), Hungary, Italy (mainland, excl. Sicily and Sardinia), ex-Jugoslavia, Portugal, Russia and former USSR, Sicily and/or Malta, Turkey (European part), Introduced in  Austria and Liechtenstein, Belgium, Germany, Switzerland, Hungary, Romania
Occurrences in Europe
(from Euro+Med Checklist till 2024)
  Country codes  
Ab(A N) AE(G) Ag Al Ar Az(M) Be(B) Bl Br Bu Ca Co Cr ?Ct Cy Da Eg Es Fe Ga(F) Gg(A D G) Gr Hs(A S) It Li Lu Ma Md(M P) Mk Rf(CS) Sa Si(M S) Sl Sn Su Tn Tu(A E) Uk(K U) [Ab(A N) Ar Au nAz(M) Be aBe(B) nBH aBr Ca(C L T) Co aCs Da nEs nGe Gg He Hs(A) Hu nIr It Jo nMo Po nRf(C) aRf(NW) Rm aSa nSk Sn nSr nSu Uk]

Links & Further literature (0 papers)

Google Web

Google Images

Google Scholar

Research Gate

Wikipedia

JSTOR

GBIF

Med Checklist

Cat. of Life

EoL

IPNI

World Flora Online

Plants of the World Online

Vienna Virt. Herb.

RBGE Herbarium

KEW Herbarium

MNHN

Garden Database

IUCN

TROPICOS
Kindly Email if there are papers and publications about local studies or information about this species to be included in the list above.

Species Images (3 images)
   Amaranthus graecizans   -   Image Code: AMRGZ-0.
   Amaranthus graecizans   -   Image Code: AMRGZ-1.
   Amaranthus graecizans   -   Image Code: AMRGZ-2.

Sales and Donations
Sales of seeds of wild plant from Malta:  Seeds of selected wild plant species may be available for academic studies, research purposes, or personal use. Please note that not all species can be supplied or exported. Availability is subject to seasonal seed production, stock levels, and applicable regulations, including Maltese legislation and CITES requirements where relevant. Protected and endemic species cannot be sold (at least without the relevant environmental permits).

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Please note that local orders are currently not being accepted. Seek Maltese nurseries and NGOs for local orders.
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Contribute Information or Report Errors
Use this form to submit additional information about this species or to report any inaccuracies on this webpage. If the information you provide is sourced from a book, journal, website, or any other publication, rather then your own information or experience, then please include the relevant reference or web address whenever possible. Your email address will be used solely for internal communication and will not be shared. We greatly appreciate reports of: taxonomic updates;   species misidentifications;   incorrect or outdated information,   broken links,   technical website issues,   or any additional information specific to the plant in this webpage.

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Section B:   Where have you seen this plant on the Maltese Islands?
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