Botanical Family · Caryophyllales
Polygonaceae
Buckwheat/Knotweed family
14 speciesOrder Caryophyllales8+ well-known plants
Herbs and shrubs with characteristic membranous sheaths (ochrea) at each node. Includes buckwheat, sorrel, dock, and Japanese knotweed.
Browse all 14 species ↓
How to recognise the Polygonaceae family
- 01
Leaf arrangement: alternate
- 02
Leaf type: simple
- 03
Growth forms: herb/shrub/vine
- 04
Inflorescence: spike/raceme/panicle
- 05
Fruit: trigonous achene
Typical leaf characters
Characters typical of the family — individual species can vary.
Typical flower & fruit
Typical of the family — flowering plants only; species can vary.
Notable members
Vine Rose, Sandwich Island Creeper, Coral Creeper, Coral Vine, Corallita, Mexican Coral Vine, Mexican Creeper, Pink VineAntigonon leptopusSea GrapeCoccoloba uviferaTapeworm PlantMuehlenbeckia platycladaWavy-Leaf OxygonumOxygonum sinuatumChinese Knot WeedPersicaria chinensisSnowball FlowerPersicaria hastatoauriculataTongue Of Buffalo, Chinese KnotweedPolygonum chinenseCommon Marsh Buckwheat, Denseflower KnotweedPolygonum glabrum
All 14 species in POLYGONACEAE
- Vine Rose, Sandwich Island Creeper, Coral Creeper, Coral Vine, Corallita, Mexican Coral Vine, Mexican Creeper, Pink VineAntigonon leptopus
- Sea GrapeCoccoloba uvifera
- Tapeworm PlantMuehlenbeckia platyclada
- Wavy-Leaf OxygonumOxygonum sinuatum
- Chinese Knot WeedPersicaria chinensis
- Snowball FlowerPersicaria hastatoauriculata
- Tongue Of Buffalo, Chinese KnotweedPolygonum chinense
- Common Marsh Buckwheat, Denseflower KnotweedPolygonum glabrum
- Nepal PersicariaPolygonum nepalense
- Small KnotweedPolygonum plebeium
- Common Sheep SorrelRumex acetocella
- Toothed DockRumex dentatus
- Persicaria peduncularis
- Polygonum dichotomum
Identify any Polygonaceae plant in seconds
Point your camera and SASYA names the species on-device — offline and private.
Download SASYA — Free