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