Flora of Caprivi: Cultivated plants
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2201.030 Persicaria - Knotweeds
Ronse Decraene, L.-P. & Akeroyd, J.R. (1988) Generic limits in Polygonum and related genera (Polygonaceae) on the basis of floral characters Botanical Journal of the Linnean Society 98 321-371
Description of the genus
Annual or perennial herbs, usually (in ours) erect. Ochreae present. Leaves large compared to Polygonum, usually more than 5 cm. Each inflorescence with usually more than 6 flowers, some or all inflorescences terminal, bracts similar to the leaves. Perianth segments mostly 5, petaloid, not enlarging in fruit. Stamens 8 (or 4-7 by reduction). Styles 2-3; nut biconvex or 3-angled. Worldwide: c. 150 species, ± cosmopolitan Caprivi: 9 cultivated taxa. The larvae of the following species of insect eat species of this genus:
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Links to cultivated taxa View: living plant images - herbarium specimen images - all images for this genus
| Species | Content |
| acuminata (Kunth) M.Gómez | |
| decipiens (R. Br.) K.L. Wilson | Description, Image |
| glomerata (Dammer) S. Ortiz & Paiva | |
| lapathifolia (L.) Gray | Description |
| limbata (Meisn.) H. Hara | Description, Image |
| nepalensis (Meisn.) H. Gross | Description, Image |
| senegalensis (Meisn.) Soják | Description, Image |
| setosula (A. Rich.) K.L. Wilson | |
| strigosa (R. Br.) H. Gross | Description, Image |
Other sources of information about Persicaria:
Our websites:
Flora of Botswana: PersicariaFlora of Caprivi: Persicaria
Flora of Malawi: Persicaria
Flora of Mozambique: Persicaria
Flora of Zambia: Persicaria
Flora of Zimbabwe: Persicaria
Flora of Zimbabwe: cultivated Persicaria
External websites:
African Plants: A Photo Guide (Senckenberg): PersicariaBHL (Biodiversity Heritage Library): Persicaria
EOL (Encyclopedia of Life): Persicaria
GBIF (Global Biodiversity Information Facility): Persicaria
Google: Web - Images - Scholar
iNaturalist: Persicaria
IPNI (International Plant Names Index): Persicaria
JSTOR Plant Science: Persicaria
Mansfeld World Database of Agricultural and Horticultural Crops: Persicaria
Plants of the World Online: Persicaria
Tropicos: Persicaria
Wikipedia: Persicaria
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