''Polygonum serotinum'', commonly called southern jointweed
[ or American jointweed, is a species of flowering plant in the knotweed family. It is native to ]Southeastern United States
The Southeastern United States, also referred to as the American Southeast or simply the Southeast, is a geographical region of the United States. It is located broadly on the eastern portion of the southern United States and the southern por ...
extending in scattered locations west to New Mexico
)
, population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano)
, seat = Santa Fe
, LargestCity = Albuquerque
, LargestMetro = Tiguex
, OfficialLang = None
, Languages = English, Spanish ( New Mexican), Navajo, Ker ...
. Its preferred habitat is dry, sandy areas.
''Polygonum serotinum'' was first described in 1820 by Constantine Samuel Rafinesque
Constantine Samuel Rafinesque-Schmaltz (; October 22, 1783September 18, 1840) was a French 19th-century polymath born near Constantinople in the Ottoman Empire and self-educated in France. He traveled as a young man in the United States, ultimat ...
. It was at one time placed in the genus ''Polygonella'' (under the name ''Polygonella ''), but in 2015, following a series of molecular phylogenetic
Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...
studies, this genus was subsumed into ''Polygonum
''Polygonum'' is a genus of about 130 species of flowering plant in the buckwheat and knotweed family Polygonaceae. Common names include knotweed and knotgrass (though the common names may refer more broadly to plants from Polygonaceae). In the ...
''.[
]
References
serotinum
Flora of the Southeastern United States
Flora of New Mexico
Plants described in 1820
Taxa named by Constantine Samuel Rafinesque
Flora without expected TNC conservation status
{{Polygonaceae-stub