Flora of Zimbabwe: Cultivated plants
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Polygonaceae - Knotweed family
Graham, R.A. (1958) Polygonaceae Flora of Tropical East Africa
Nogueira, I., Ortiz, S. & Paiva, J.A.R. (2006) Polygonaceae Flora Zambesiaca 9(3)
Description of the family
Herbs (mostly, in ours), shrubs, climbers or rarely trees. Stems usually with sheathing stipules (ochreae). Leaves simple, alternate (rarely subopposite). Flowers actinomorphic, bisexual or unisexual. Petals 0. Perianth segments 3-6, sepaloid or petaloid, free or connate, persistent. Ovary superior, 1-locular, with a solitary ovule. Fruit a nut, indehiscent, hard, 3-angled or biconvex, usually enveloped in the perianth. Seeds with abundant endosperm. Worldwide: 46 genera and 1100 species, ± cosmopolitan, but especially northern temperate. Zimbabwe: 9 cultivated genera and 10 cultivated taxa. |
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Links to cultivated genera: View: living plant images - herbarium specimen images - all images for this family
| Genus | Content |
| Antigonon Endl. | Description, Image |
| Coccoloba P. Browne | Description |
| Fagopyrum Mill. | Description |
| Fallopia Adans. | Description |
| Homalocladium (F. Muell.) L.H. Bailey | Description, Image |
| Persicaria (L.) Mill. | Description, Image |
| Rheum L. | |
| Rumex L. | Description |
| Triplaris Loefl. ex L. | Description |
Other sources of information about Polygonaceae:
Our websites:
Flora of Botswana: PolygonaceaeFlora of Burundi: Polygonaceae
Flora of Caprivi: Polygonaceae
Flora of the DRC: Polygonaceae
Flora of Malawi: Polygonaceae
Flora of Malawi: cultivated Polygonaceae
Flora of Mozambique: Polygonaceae
Flora of Mozambique: cultivated Polygonaceae
Flora of Rwanda: Polygonaceae
Flora of Zambia: Polygonaceae
Flora of Zimbabwe: Polygonaceae
External websites:
African Plants: A Photo Guide (Senckenberg): PolygonaceaeBHL (Biodiversity Heritage Library): Polygonaceae
EOL (Encyclopedia of Life): Polygonaceae
GBIF (Global Biodiversity Information Facility): Polygonaceae
Google: Web - Images - Scholar
iNaturalist: Polygonaceae
IPNI (International Plant Names Index): Polygonaceae
JSTOR Plant Science: Polygonaceae
Mansfeld World Database of Agricultural and Horticultural Crops: Polygonaceae
Wikipedia: Polygonaceae
Plants of the World Online: Polygonaceae
Tropicos: Polygonaceae
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