Sherardia arvensis
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Photo: Mark Hyde
Gatehampton, Goring
Photo: Mark Hyde
Gatehampton, Goring
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Species details: Click on each item to see an explanation of that item (Note: opens a new window)
| 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. |
| Type location: |
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| 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 |
| FZ divisions: | 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: |
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 arvensisAfrican 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