Polygonum americanum
| Polygonum americanum | |
|---|---|
| |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Polygonum |
| Species: | P. americanum
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| Binomial name | |
| Polygonum americanum (Fisch. & C.A.Mey.) T.M.Schust. & Reveal[1]
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| Synonyms | |
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Polygonum americanum, commonly called southern jointweed[2] or American jointweed, is a species of flowering plant in the knotweed family. It is native to Southeastern United States extending in scattered locations west to New Mexico. Its preferred habitat is dry, sandy areas.
Polygonum americanum was first described in 1845.[3] It was at one time placed in the genus Polygonella (under the name Polygonella americana), but in 2015, following a series of molecular phylogenetic studies, this genus was subsumed into Polygonum.[4][5]
References
[edit]- ^ "Polygonum serotinum Raf.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-02-28
- ^ Flora of North America
- ^ "Plant Name Details for Polygonum americanum (Fisch. & C.A.Mey.) T.M.Schust. & Reveal", The International Plant Names Index, retrieved 2024-02-24
- ^ Schuster, T.M.; Reveal, J.L. & Kron, K.A. (2011), "Evolutionary Relationships within Polygoneae (Polygonaceae: Polygonoideae)", Taxon, 60: 1653–1666, doi:10.1002/tax.606010, cited in Schuster et al. (2015)
- ^ Schuster, Tanja M.; Reveal, James L.; Bayly, Michael J. & Kron, Kathleen A. (2015), "An updated molecular phylogeny of Polygonoideae (Polygonaceae): Relationships of Oxygonum, Pteroxygonum, and Rumex, and a new circumscription of Koenigia", Taxon, 64 (6): 1188–1208, doi:10.12705/646.5
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