watsoniae (Polygonaceae) Author: Mueller, Natalie G. Source: Novon 2017 v.25 no.2 pp. ). Polygonum erectum L. appears in other Kew resources: IPNI - The International Plant Names Index. 1913. (2015). Common knotweed can be confused with spotted spurge in gardens … 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. Has 2 Synonyms. Manual of vascular plants of northeastern United States and adjacent Canada. 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 Linnaeus [family POLYGONACEAE], Sp. 1: 363. Polygonum erectum L. ssp. 3 vols. Charles Scribner's Sons, New York. 1 "Polygonum erectum Linnaeus in Flora of North America @ efloras.org" eFlora. Bailey, C. & al. Sp. B & T World Seeds log in or create an account. Relatively few farmers today actively maintain crop biodiversity, but for most of the history of agriculture this was the norm. Mentioned on page 549, 551. Seed production by P. persicaria ranged from 880 to 4010 seeds/plant, representing an av. 1753. Polygonum aviculare var. Polygonum erectum L. Family: Polygonaceae . Polygonum hickmanii H.R.Hinds & Rand.Morgan: Sie kommt in Kalifornien vor. Polygonum idaeum Hayek; Strand-Knöterich (Polygonum oxyspermum C.A.Mey. Polygonum erectum, Erect Knotweed. KB; Other Data. seeds 3; more Subject » Search 6 Search Results ... Search Results. & Bunge ex Ledeb.) Treatment appears in FNA Volume 5. On NameThatPlant.net, plants are shown in different seasons (not just in flower), and you can hear Latin names spoken, look up botanical terms, … Silver-sheathed knotweed is most common in southern California. Erect knotweed (Polygonum erectum L.) Erect knotweed was cultivated in ancient Iowa and may have been domesticated. 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. Accessed February 2018. (Smartweed) (P. pensylvanicum, P. persicaria, P. erectum, P. coccineum and P. scabrum)**OUTLINE** 1) SEED. Brown. It may be distinguished from common knotweed by its long leafless, rose-colored flower spikes and its shiny seed. 1: 663. Polygonum erectum L. POLYGONACEAE Initial Editorial Analysis 12 Aug 2005 Source of Report for California: Munz, P.A. & Cronquist, Arthur J. Web. Treatment Author(s) Mihai Costea. Provided by Kentucky Native Plant Society. Join our friendly community that shares tips and ideas for gardens, along with seeds and plants. 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. tab separated .txt "printable" version of Polygonaceae, flower seed price-list. First published in Sp. Br. By c. 900 BP, culti-vation had produced a domesticated subspecies with greatly reduced germination heteromorphism. An Extinct Domesticated Subspecies of Erect Knotweed in Eastern North America: Polygonum erectum subsp. Polygonum crassicaule Raf. : 363 (1753) Accepted by. The genus Polygonum ranks high among plants important to wildlife. Gilman, A.V. Symbol POER2 Common Name erect knotweed Botanical Family Polygonaceae 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: in collaboration with D. D. Keck. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA., 2005. 166-179 ISSN: 1055-3177 Subject: Polygonum, etc ; biological nomenclature; crops; dimorphism; domestication; pericarp; plant … Stems erect to ascending, sparingly branched in distal 1/2, not wiry, 15–75 cm. of 2898 seeds/plant … Polygonum erectum Roth Common names Erect knotweed in language. 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 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. Aufrechter Knöterich (Polygonum erectum L.): Er kommt in Kanada und in den Vereinigten Staaten vor. Polygonum erectum L. - erect knotweed POER2. Plants light green or yellowish, heterophyllous. Scientific classification Kingdom: Plantae (unranked): Angiosperms (unranked): Eudic 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, … Mihai Costea, François J. Tardif, Harold R. Hinds † Common names: Erect knotweed renouée dressée. François J. Tardif. erect knotweed. Polygonaceae Including plants for which we do not have seed sources (some unavailable plants do not produce viable seed … (2015). In addition, users can learn about the location of vouchered specimens and see images to get a better visual for each plant. achoreum (Blake) A. Erect knotweed (Polygonum erectum L.), an annual seed crop, was cultivated in Eastern North America between c. 3000–600 BP. 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. Linnaeus. Plants light green or yellowish, heterophyllous. Bibliography. 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 spp. Polygonum erectum. Silver-sheathed knotweed, Polygonum argyrocoleon, is similar to common knotweed, but has a more erect growth habit reaching 12 to 20 inches in height. Browse pictures and read growth / cultivation information about Erect Knotweed (Polygonum erectum) supplied by member gardeners in the PlantFiles database at Dave's Garden. 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. NameThatPlant.net currently features 3812 plants and 23,740 images. It flowers and fruits throughout the summer and into the fall until a killing frost. IDENTIFYING POLYGONUM SEEDS Alexander C. Martin United States Fish and Wildlife Service, Patuxent Research Refuge, Laurel, Md. New flora of Vermont Memoirs of the New York Botanical Garden 110: 1-614. Polygonum plebeium R. The lost crops of eastern North America have small seeds with thick, indigestible fruit or seed coats in their wild forms. WeedyEndemic. Stems erect to ascending, sparingly branched in distal 1/2, not wiry, 15–75 cm. Media in category "Polygonum erectum" The following 10 files are in this category, out of 10 total. Seeds are shorter than the perianth, dull yellow-green to yellow-brown, minutely bumpy on the surface, 3-sided, egg-shaped to nearly triangular, tapering to a blunt tip. Treatment on page 550. lxxv + 910 pp." 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. Pl. A synchronized flowering period late in the growing season results in simultaneous ripening of a quantity of small-sized starchy seeds during October. In their wild forms, the lost crops of eastern North America have small seeds with thick, indigestible fruit or seed coats. 2 "Gleason, Henry A. VI - XI, Hackfruchtäcker, Getreidefelder Nea Potidea, Chalkidiki (18.08.2017) Pl., 1: 363. Unbeständiger Vogelknöterich (Polygonum aviculare ssp rurivagum (Boreau) Berher). Vol. An illustrated flora of the northern United States, Canada and the British Possessions. Britton, N.L., and A. Emmet J. Judziewicz . The lost crops of eastern North America have small seeds with thick, indigestible fruit or seed coats in their wild forms. 1.1) Seed production. erectum (L.) Ledeb. 1. 1991. For many plants, the website displays maps showing physiographic provinces within the Carolinas and Georgia where the plant has been documented. Harold R. Hinds† Information. Pl. & D. Löve • ME, VT. 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