Polygonum erectum L. Family: Polygonaceae . Plants light green or yellowish, heterophyllous. The lost crops of eastern North America have small seeds with thick, indigestible fruit or seed coats in their wild forms. Unbeständiger Vogelknöterich (Polygonum aviculare ssp rurivagum (Boreau) Berher). Polygonum aviculare var. Polygonum crassicaule Raf. (Smartweed) (P. pensylvanicum, P. persicaria, P. erectum, P. coccineum and P. scabrum)**OUTLINE** 1) SEED. Silver-sheathed knotweed is most common in southern California. (2015). KB; Other Data. 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 … 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. WeedyEndemic. 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. Polygonum erectum. Vol. Linnaeus. Aufrechter Knöterich (Polygonum erectum L.): Er kommt in Kanada und in den Vereinigten Staaten vor. 1753. in collaboration with D. D. Keck. Polygonum erectum Roth Common names Erect knotweed in language. Stems erect to ascending, sparingly branched in distal 1/2, not wiry, 15–75 cm. Treatment on page 550. Polygonum erectum L. ssp. lxxv + 910 pp." 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. erect knotweed. Polygonum erectum L. - erect knotweed POER2. Britton, N.L., and A. It flowers and fruits throughout the summer and into the fall until a killing frost. Pl. Polygonum spp. 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. Polygonum hickmanii H.R.Hinds & Rand.Morgan: Sie kommt in Kalifornien vor. Polygonum erectum L. POLYGONACEAE Initial Editorial Analysis 12 Aug 2005 Source of Report for California: Munz, P.A. 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, … Polygonum erectum, Erect Knotweed. In their wild forms, the lost crops of eastern North America have small seeds with thick, indigestible fruit or seed coats. & D. Löve • ME, VT. Fields, roadsides, waste areas, railroads, lawns. of 2898 seeds/plant … Accessed February 2018. Polygonum plebeium R. Bailey, C. & al. Br. 1. Mentioned on page 549, 551. Join our friendly community that shares tips and ideas for gardens, along with seeds and plants. (2015). Polygonum erectum L. appears in other Kew resources: IPNI - The International Plant Names Index. Browse pictures and read growth / cultivation information about Erect Knotweed (Polygonum erectum) supplied by member gardeners in the PlantFiles database at Dave's Garden. For many plants, the website displays maps showing physiographic provinces within the Carolinas and Georgia where the plant has been documented. 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: Treatment Author(s) Mihai Costea. 1753. & Bunge ex Ledeb.) watsoniae (Polygonaceae) Author: Mueller, Natalie G. Source: Novon 2017 v.25 no.2 pp. In addition, users can learn about the location of vouchered specimens and see images to get a better visual for each plant. It may be distinguished from common knotweed by its long leafless, rose-colored flower spikes and its shiny seed. Polygonum erectum Linnaeus [family POLYGONACEAE], Sp. Pl., 1: 363. Erect knotweed (Polygonum erectum L.) Erect knotweed was cultivated in ancient Iowa and may have been domesticated. 166-179 ISSN: 1055-3177 Subject: Polygonum, etc ; biological nomenclature; crops; dimorphism; domestication; pericarp; plant … Silver-sheathed knotweed, Polygonum argyrocoleon, is similar to common knotweed, but has a more erect growth habit reaching 12 to 20 inches in height. Manual of vascular plants of northeastern United States and adjacent Canada. 1991. Relatively few farmers today actively maintain crop biodiversity, but for most of the history of agriculture this was the norm. 1913. 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 ). New flora of Vermont Memoirs of the New York Botanical Garden 110: 1-614. NameThatPlant.net currently features 3812 plants and 23,740 images. & Cronquist, Arthur J. Brown. Stems erect to ascending, sparingly branched in distal 1/2, not wiry, 15–75 cm. 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. 2 "Gleason, Henry A. An Extinct Domesticated Subspecies of Erect Knotweed in Eastern North America: Polygonum erectum subsp. First published in Sp. Common knotweed can be confused with spotted spurge in gardens … 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. Provided by Kentucky Native Plant Society. achoreum (Blake) A. Polygonum idaeum Hayek; Strand-Knöterich (Polygonum oxyspermum C.A.Mey. The report of this species in CT by Magee and Ahles (1999) is based on a specimen of Polygonum buxiforme— Ahles 85330 ( MASS! 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