Stems erect to ascending, sparingly branched in distal 1/2, not wiry, 15–75 cm. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA., 2005. NameThatPlant.net currently features 3812 plants and 23,740 images. on erect knotweed (Polygonum erectum L.), an annual seed crop that was cultivated by ancient farmers in Eastern North America (ENA) from c. 3000–600 BP. 1 "Polygonum erectum Linnaeus in Flora of North America @ efloras.org" eFlora. Pl., 1: 363. In their wild forms, the lost crops of eastern North America have small seeds with thick, indigestible fruit or seed coats. in collaboration with D. D. Keck. Pl. Polygonum aviculare, Common Knotgrass, Europe, annual, 5 to 50cm, flower VI to X, plant community: ruderal, medicinal & culinary herb, weight of 1 000 seeds = 1 3 vols. Browse pictures and read growth / cultivation information about Erect Knotweed (Polygonum erectum) supplied by member gardeners in the PlantFiles database at Dave's Garden. (2015). Archaeobotanical analyses can reveal the processes that led to the evolution of crop biodiversity throughout the Holocene, an issue of critical importance in an era of climate change and agrobiodiversity loss. Symbol POER2 Common Name erect knotweed Botanical Family Polygonaceae ). The New York Flora Atlas is a source of information for the distribution of plants within the state, as well as information on plant habitats, associated ecological communities, and taxonomy. This study uses morphometrics and digital image analysis to document domestication syndrome in an annual seed crop, Polygonum erectum L. (erect knotweed), which was cultivated by Native Americans for c. 2,500 years in eastern North America. lxxv + 910 pp." Polygonum erectum Roth Common names Erect knotweed in language. 1991. Erect knotweed (Polygonum erectum L.) Erect knotweed was cultivated in ancient Iowa and may have been domesticated. VI - XI, Hackfruchtäcker, Getreidefelder Nea Potidea, Chalkidiki (18.08.2017) François J. Tardif. Br. Polygonum erectum : Source: Polygonaceae of North America Update, database (version 2011) Acquired: 2011 : Notes: Updated for ITIS by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010) Reference for: Polygonum erectum : Source: The PLANTS Database, database (version 4.0.4) Acquired: 1996 : Notes: Polygonum erectum L. ssp. Plants light green or yellowish, heterophyllous. In addition, users can learn about the location of vouchered specimens and see images to get a better visual for each plant. Polygonum spp. & Cronquist, Arthur J. Polygonum aviculare var. & D. Löve • ME, VT. Fields, roadsides, waste areas, railroads, lawns. A synchronized flowering period late in the growing season results in simultaneous ripening of a quantity of small-sized starchy seeds during October. Polygonum erectum L. - erect knotweed POER2. achoreum (Blake) A. Silver-sheathed knotweed, Polygonum argyrocoleon, is similar to common knotweed, but has a more erect growth habit reaching 12 to 20 inches in height. Polygonum erectum L. appears in other Kew resources: IPNI - The International Plant Names Index. 1.1) Seed production. Mentioned on page 549, 551. Polygonum erectum. Britton, N.L., and A. 1753. Seed production by P. persicaria ranged from 880 to 4010 seeds/plant, representing an av. The lost crops of eastern North America have small seeds with thick, indigestible fruit or seed coats in their wild forms. On NameThatPlant.net, plants are shown in different seasons (not just in flower), and you can hear Latin names spoken, look up botanical terms, … 166-179 ISSN: 1055-3177 Subject: Polygonum, etc ; biological nomenclature; crops; dimorphism; domestication; pericarp; plant … Aufrechter Knöterich (Polygonum erectum L.): Er kommt in Kanada und in den Vereinigten Staaten vor. 1913. 2 "Gleason, Henry A. Stems erect to ascending, sparingly branched in distal 1/2, not wiry, 15–75 cm. erectum (L.) Ledeb. 1. Erect knotweed (Polygonum erectum L.), an annual seed crop, was cultivated in Eastern North America between c. 3000–600 BP. Treatment Author(s) Mihai Costea. Polygonum hickmanii H.R.Hinds & Rand.Morgan: Sie kommt in Kalifornien vor. Mihai Costea, François J. Tardif, Harold R. Hinds † Common names: Erect knotweed renouée dressée. Sp. The report of this species in CT by Magee and Ahles (1999) is based on a specimen of Polygonum buxiforme— Ahles 85330 ( MASS! Polygonum erectum L. POLYGONACEAE Initial Editorial Analysis 12 Aug 2005 Source of Report for California: Munz, P.A. WeedyEndemic. Brown. Silver-sheathed knotweed is most common in southern California. By c. 900 BP, culti-vation had produced a domesticated subspecies with greatly reduced germination heteromorphism. seeds 3; more Subject » Search 6 Search Results ... Search Results. Harold R. Hinds† Information. Has 2 Synonyms. Media in category "Polygonum erectum" The following 10 files are in this category, out of 10 total. The genus Polygonum ranks high among plants important to wildlife. IDENTIFYING POLYGONUM SEEDS Alexander C. Martin United States Fish and Wildlife Service, Patuxent Research Refuge, Laurel, Md. Relatively few farmers today actively maintain crop biodiversity, but for most of the history of agriculture this was the norm. Manual of vascular plants of northeastern United States and adjacent Canada. of 2898 seeds/plant … It may be distinguished from common knotweed by its long leafless, rose-colored flower spikes and its shiny seed. It flowers and fruits throughout the summer and into the fall until a killing frost. 1968, as cited in Kartesz & Meacham Initial Editorial Comments: in no way mentioned in Munz (despite Kartesz & Meacham citation), Munz Southern California Flora, The Jepson Manual [Ed. 1: 363. An illustrated flora of the northern United States, Canada and the British Possessions. Linnaeus. Provided by Kentucky Native Plant Society. The lost crops of eastern North America have small seeds with thick, indigestible fruit or seed coats in their wild forms. (Smartweed) (P. pensylvanicum, P. persicaria, P. erectum, P. coccineum and P. scabrum)**OUTLINE** 1) SEED. New flora of Vermont Memoirs of the New York Botanical Garden 110: 1-614. B & T World Seeds log in or create an account. Emmet J. Judziewicz . Polygonum erectum : Source: Polygonaceae of North America Update, database (version 2011) Acquired: 2011 : Notes: Updated for ITIS by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010) Reference for: Polygonum erectum : Source: The PLANTS Database, database (version 4.0.4) Acquired: 1996 : Notes: An illustrated guide to the flowering plants of the middle Atlantic and New England states (excepting the grasses and sedges) the descriptive text written in familiar language (1910) (14782884275).jpg 1,468 … 1753. Treatment appears in FNA Volume 5. Polygonum erectum, Erect Knotweed. Polygonum erectum Linnaeus [family POLYGONACEAE], Sp. Polygonaceae Including plants for which we do not have seed sources (some unavailable plants do not produce viable seed … Polygonum plebeium R. Plants light green or yellowish, heterophyllous. Treatment on page 550. KB; Other Data. For many plants, the website displays maps showing physiographic provinces within the Carolinas and Georgia where the plant has been documented. & Bunge ex Ledeb.) tab separated .txt "printable" version of Polygonaceae, flower seed price-list. Polygonum crassicaule Raf. 1: 663. First published in Sp. Accessed February 2018. Bibliography. Gilman, A.V. Erect knotweed (Polygonum erectum) Little barley ( Hordeum pusillum ) By the Middle Woodland Period, or about 2,000 years ago, Indians from the Upper Midwest down to Tennessee were farmers who grew the starchy seed complex (chenopod, maygrass, little barley, and sometimes erect knotweed), pepo squash, bottle gourd, and the oily seeds of sumpweed and sunflower. Bailey, C. & al. Notes: Leathery Knotweed is a common native with a weedy disposition, typically found in disturbed soils such as roadsides, pavement cracks, weedy shorelines and the margins of agricultural fields. watsoniae (Polygonaceae) Author: Mueller, Natalie G. Source: Novon 2017 v.25 no.2 pp. Common knotweed can be confused with spotted spurge in gardens … Elsewhere, I have argued on the basis of population morphometrics that some assemblages of erect knotweed exhibit a unique domestication syndrome as a result of hundreds of generations of selection in agroecosystems (Mueller, 2017a, … Scientific classification Kingdom: Plantae (unranked): Angiosperms (unranked): Eudic Polygonum idaeum Hayek; Strand-Knöterich (Polygonum oxyspermum C.A.Mey. Charles Scribner's Sons, New York. Polygonum erectum L. Family: Polygonaceae . Terms of Trade Contact - eMail Other Seed Lists. erect knotweed. Vol. An Extinct Domesticated Subspecies of Erect Knotweed in Eastern North America: Polygonum erectum subsp. Join our friendly community that shares tips and ideas for gardens, along with seeds and plants. : 363 (1753) Accepted by. Unbeständiger Vogelknöterich (Polygonum aviculare ssp rurivagum (Boreau) Berher). Pl. Web. (2015). 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