Polygonaceae
Polygonella robusta (Small) G.L.Nesom & V.M.Bates
Polygonella robusta (Small) G.L.Nesom & V.M.Bates
Polygonella robusta is a shrubby perennial flowering plant in the buckwheat family, endemic to Florida's sandhill communities.
Polygonum arenastrum Boreau
Polygonum arenastrum Boreau
Polygonum arenastrum Boreau, commonly called knotweed, is a drought-tolerant mat-forming plant common in compacted, frequently disturbed sites.
Polygonum aviculare L.
Polygonum aviculare L.
Polygonum aviculare L., common knotgrass, is a widespread invasive annual herb native to Eurasia that hosts many insect species.
Polygonum paronychia Cham. & Schltdl.
Polygonum paronychia Cham. & Schltdl.
Polygonum paronychia Cham. & Schltdl. is a small shrub, and its poultice treats whitlow infections.
Polygonum plebeium R.Br.
Polygonum plebeium R.Br.
Polygonum plebeium is a flowering knotweed species native to Australia, Africa, and Asia, sometimes eaten as a vegetable.
Polygonum ramosissimum Michx.
Polygonum ramosissimum Michx.
Polygonum ramosissimum is a morphologically variable plant with specific conservation statuses across several US states.
Pterostegia drymarioides Fisch. & C.A.Mey.
Pterostegia drymarioides Fisch. & C.A.Mey.
Pterostegia drymarioides is a tiny annual flowering plant native to western North America, found in shady habitats.
Reynoutria japonica Houtt.
Reynoutria japonica Houtt.
Reynoutria japonica, or Japanese knotweed, is an East Asian plant often invasive elsewhere, with edible young parts used for food.
Reynoutria multiflora (Thunb.) Moldenke
Reynoutria multiflora (Thunb.) Moldenke
Reynoutria multiflora is a herbaceous perennial vine, a popular traditional Chinese medicine that can cause hepatitis if overconsumed.
Reynoutria sachalinensis (F.Schmidt) Nakai
Reynoutria sachalinensis (F.Schmidt) Nakai
Reynoutria sachalinensis, giant/Sakhalin knotweed, is an Asian perennial herb that is invasive and has multiple cultivated uses.
Rheum rhabarbarum L.
Rheum rhabarbarum L.
Rheum rhabarbarum is a medicinal Polygonaceae species native to North Asia and North China that contributed to culinary rhubarb.
Rumex acetosa L.
Rumex acetosa L.
Rumex acetosa L., common sorrel, is a perennial Eurasian herb widely cultivated for its tangy edible leaves.
Rumex acetosella L.
Rumex acetosella L.
Rumex acetosella L. (sheep sorrel) is a perennial dioecious herb native to Eurasia, with edible sour leaves and oxalate content.
Rumex alpinus L.
Rumex alpinus L.
Rumex alpinus L. (monk's-rhubarb) is a perennial flowering plant native to Europe and Western Asia.
Rumex altissimus Wood
Rumex altissimus Wood
Pale dock (Rumex altissimus) is a widespread wind-pollinated perennial flowering plant native to North America.
Rumex aquaticus L.
Rumex aquaticus L.
Rumex aquaticus is a tall waterside hermaphroditic plant native to temperate Eurasia, pollinated by wind.
Rumex arifolius All.
Rumex arifolius All.
Rumex arifolius All., also called maiden sorrel, is a flowering plant native to southern Europe and parts of northern temperate Asia.
Rumex britannica L.
Rumex britannica L.
Rumex britannica is a North American native perennial wetland buckwheat used medicinally by Native Americans.
Rumex bucephalophorus L.
Rumex bucephalophorus L.
Rumex bucephalophorus is an edible red-flowered dock found on sandy rocky coasts of Europe and North Africa, with high leaf oxalic acid content.
Rumex confertus Willd.
Rumex confertus Willd.
Rumex confertus, or Armenian dock, is a fast-growing flowering Polygonaceae species common in Central and Eastern Europe.
Rumex conglomeratus Murray
Rumex conglomeratus Murray
Rumex conglomeratus, clustered or sharp dock, is an annual/biennial Polygonaceae native to Eurasia and North Africa, introduced to North America.
Rumex crispus L.
Rumex crispus L.
Rumex crispus L. (curly dock) is a Eurasian dock, often invasive, with documented culinary and medicinal uses.
Rumex hastatulus Baldwin ex Elliott
Rumex hastatulus Baldwin ex Elliott
Rumex hastatulus is a dioecious edible-in-small-doses North American herb studied for its unique sex determination system.
Rumex hydrolapathum (Scop.) Huds.
Rumex hydrolapathum (Scop.) Huds.
Great water dock (Rumex hydrolapathum) is a tall perennial European and western Asian water-edge plant that supports the large copper butterfly.
Related Families
Start Exploring Nature Today
Download iNature for free. 10 identifications on us. No account needed. No credit card required.
Download Free on App Store
