Selected images: Click on each image to see a larger version and details of the record View all images
Photo: Mark Hyde
Photo: Mark Hyde
Click on each item to see an explanation of that item (Note: opens a new window)
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
comments powered by Disqus. comments powered by
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
Sherardia arvensis Google
(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
Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16
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 30 May 2016
Site software last modified: 15 January 2016 10:17am (GMT +2)