Amaranthus spinosus L.

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Amaranthus spinosus

Photo: Bart Wursten
Mutucuto River crossing, footpath from Muwawa to Zomba

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Common names:
Frequency: Frequent
Status: Native
Annual herb, mostly erect, up to 1.5 m. Leaves glabrous or with sparse hairs on the main veins below, long petiolate, up to 9 cm. The leaf axils bear pairs of fine and slender spines. Flowers green in axillary clusters and branched terminal spikes. Male flowers in the apical part of the spikes.
Derivation of specific name: spinosus: spiny
Habitat: A weed in disturbed or overgrazed areas, usually near water.
Altitude range: (metres) Up to 1370 m
Flowering time:
Worldwide distribution: Throughout tropical and subtropical regions of the world; also sporadic in warm temperate areas
Zimbabwe distribution: N,W,C,E,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Monday 12 June 2006

Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 21. (Includes a picture).


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Other sources of information about Amaranthus spinosus:

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Flora of Botswana: Amaranthus spinosus
Flora of Malawi: Amaranthus spinosus
Flora of Mozambique: Amaranthus spinosus
Flora of Zambia: Amaranthus spinosus

External websites:

African Plant Database: Amaranthus spinosus
Biodiversity Explorer (Biodiversity of southern Africa): Amaranthus spinosus
EOL (Encyclopedia of Life): Amaranthus spinosus
ePIC (electronic Plant Information Center): Amaranthus spinosus
Flora Zambesiaca web site: Amaranthus spinosus
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Amaranthus spinosus
IPNI (International Plant Names Index): Amaranthus spinosus
Ispot Southern Africa : Amaranthus spinosus
JSTOR Plant Science: Amaranthus spinosus
Kew Herbarium catalogue: Amaranthus spinosus
Tropicos: Amaranthus spinosus
West African Plants database: Amaranthus spinosus

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-15

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2015). Flora of Zimbabwe: Species information: Amaranthus spinosus., retrieved 27 May 2015

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