The Polygonaceae are a family of flowering plants known informally as the knotweed family or smartweed—buckwheat family in the United States. The name...

Polygonoideae is a subfamily of plants in the family Polygonaceae. It includes a number of plants that can be highly invasive, such as Japanese knotweed...

dock leaf, dockens or butter dock, is a perennial plant in the family Polygonaceae. It is native to Europe, but is found on all temperate continents. It...

curled dock or yellow dock, is a perennial flowering plant in the family Polygonaceae, native to Europe and Western Asia. The plant produces an inflorescence...

sorrel or garden sorrel, is a perennial herbaceous plant in the family Polygonaceae. Other names for sorrel include spinach dock and narrow-leaved dock ("dock"...

Polygonum aubertii) is a species of flowering plant in the knotweed family Polygonaceae. "The Plant List: Fallopia aubertii (L.Henry) Holub". Royal Botanic Gardens...

In botany, C4 carbon fixation is one of three known methods of photosynthesis used by plants. C4 plants increase their photosynthetic efficiency by reducing...

Persicaria is a genus of herbaceous flowering plants in the knotweed family, Polygonaceae. Plants of the genus are known commonly as knotweeds: 436  or smartweeds...

Reynoutria is a genus of flowering plants in the Polygonaceae, also known as the knotweed or buckwheat family. The genus is native to eastern China, Eastern...

This is a list of plant species that, when consumed by humans, are known or suspected to produce psychoactive effects: changes in nervous system function...