| Home | > | List of families | > | Polygonaceae |
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. |
|
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 |
| Emex Campd. | |
| Fagopyrum Mill. | Description |
| Oxygonum Burch. | Description, Image |
| Persicaria (L.) Mill. | Description, Image |
| Polygonum L. | Description |
| Rumex L. | Description, Image |
Other sources of information about Polygonaceae:
Flora of Zimbabwe: cultivated Polygonaceae pageFlora of Mozambique: Polygonaceae
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Polygonaceae
Google: Web - Images - Scholar
| Home | > | List of families | > | Polygonaceae |