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Photo: Mark Hyde
Photo: Mark Hyde
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Field madder (English)
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)
Worldwide distribution: Probably native to Europe, Mediterranean region and W Asia; widely escaped worldwide
Growth form(s): Annual.
Red data list status:
Insects associated with this species:
Display spot characters for this species
Images last updated: Tuesday 12 June 2007
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Other sources of information about Sherardia arvensis: External websites: African Plants: A Photo Guide
Sherardia arvensis African Plant Database
Sherardia arvensis Biodiversity Explorer
(Biodiversity of southern Africa):
Sherardia arvensis BHL
(Biodiversity Heritage Library):
Sherardia arvensis EOL
(Encyclopedia of Life):
Sherardia arvensis ePIC
(electronic Plant Information Center):
Sherardia arvensis Flora Zambesiaca
Sherardia arvensis GBIF
(Global Biodiversity Information Facility):
Sherardia arvensis Google
(Germplasm Resources Information Network):
Sherardia arvensis IPNI
(International Plant Names Index):
Sherardia arvensis Ispot Southern Africa
Sherardia arvensis JSTOR Plant Science
Sherardia arvensis Kew Herbarium catalogue
Sherardia arvensis Mansfeld World Database of Agricultural and Horticultural Crops
Sherardia arvensis The Plant List (version 1.1)
Sherardia arvensis Tropicos
Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-17
Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M.
Flora of Zimbabwe: Species information: Sherardia arvensis.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=156830, retrieved 27 April 2017
Site software last modified: 28 December 2016 2:55pm (GMT +2)