Sherardia arvensis L.

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Sherardia arvensis

Photo: Mark Hyde
Gatehampton, Goring

Sherardia arvensis

Photo: Mark Hyde
Gatehampton, Goring

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Synonyms:
Common names: Field madder (English)
Frequency: Rare
Status: Introduced
Description:
Annual herb. Stems prostrate or decumbent, to 40 cm, ± glabrous with 4 rough angles. Lower leaves in whorls of 4, obovate-cuspidate; upper 5-18 mm, elliptic, acute; margin with forwardly directed prickles. Flowers 3 mm in diameter. Involucre of 8-10 lanceolate leaf-like bracts longer than the flowers. Sepals 4-6 mm, enlarging in fruit. Corolla 4-5 mm, pale lilac; tube c. twice as long as the 4 lobes. Fruit 4 mm, crowned by the calyx, of 2 obovoid mericarps with short rough bristles.
Notes: A rare introduction, recorded only once as a weed of cultivation.
Derivation of specific name: arvensis: of cultivated fields
Habitat: Cultivated areas and disturbed ground
Altitude range: (metres) 1310 m
Flowering time:
Worldwide distribution: Probably native to Europe, Mediterranean region and W Asia; widely escaped worldwide
Zimbabwe distribution: N
Growth form(s): Annual.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Tuesday 12 June 2007
Literature:

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Other sources of information about Sherardia arvensis:

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Species information: Sherardia arvensis.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=156830, retrieved 26 July 2016

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