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Polygonaceae - Knotweed family
Graham, R.A. (1958) Polygonaceae FTEA
Nogueira, I., Ortiz, S. & Paiva, J.A.R. (2006) Polygonaceae FZ 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. |
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More sample images from the Polygonaceae (Click on each image to see a larger version and details of the record)
Links to genera: View: living plant images - herbarium specimen images - all images for this family
| Genus | Content |
| Antigonon Endl. | Description |
| Emex Campd. | |
| Fagopyrum Mill. | Description |
| Fallopia Adans. | |
| Oxygonum Burch. | Description |
| Persicaria (L.) Mill. | Description |
| Polygonum L. | Description |
| Rumex L. | Description |
Other sources of information about Polygonaceae:
Flora of Mozambique: cultivated Polygonaceae pageFlora of Zimbabwe: Polygonaceae
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Polygonaceae
Google: Web - Images - Scholar
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