 | This article needs additional citations for verification. (May 2014) |
| Rumex acetosella | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Rumex |
| Species: | R. acetosella
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| Binomial name | |
| Rumex acetosella | |
| Synonyms[1] | |
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Acetosella vulgaris (W.D.J. Koch) Fourr. | |
Rumex acetosella, commonly known as red sorrel, sheep's sorrel, field sorrel and sour weed, is a species of flowering plant in the buckwheat family Polygonaceae. Native to Eurasia and the British Isles,[2] the plant and its subspecies are common perennial weeds. It has green arrowhead-shaped leaves and red-tinted deeply ridged stems, and it sprouts from an aggressive and spreading rhizome. The flowers emerge from a tall, upright stem. Female flowers are maroon in color.
- ^ "Acetosella vulgaris". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 16 December 2017.
- ^ Stace, C. A. (2010). New Flora of the British Isles (Third ed.). Cambridge, U.K.: Cambridge University Press. p. 450. ISBN 9780521707725.