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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Common names: Field madder (English)
Frequency: Rare
Status: Introduced
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

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 74.

Other sources of information about Sherardia arvensis:

External websites:

African Plants: A Photo Guide (Senckenberg): Sherardia arvensis
African Plant Database: Sherardia arvensis
BHL (Biodiversity Heritage Library): Sherardia arvensis
EOL (Encyclopedia of Life): Sherardia arvensis
GBIF (Global Biodiversity Information Facility): Sherardia arvensis
Google: Web - Images - Scholar
iNaturalist: Sherardia arvensis
IPNI (International Plant Names Index): Sherardia arvensis
JSTOR Plant Science: Sherardia arvensis
Mansfeld World Database of Agricultural and Horticultural Crops: Sherardia arvensis
Plants of the World Online: Sherardia arvensis
Tropicos: Sherardia arvensis
Wikipedia: Sherardia arvensis

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Species information: Sherardia arvensis., retrieved 20 May 2024

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