Polygonum aviculare var. The lost crops of eastern North America have small seeds with thick, indigestible fruit or seed coats in their wild forms. Charles Scribner's Sons, New York. Seed production by P. persicaria ranged from 880 to 4010 seeds/plant, representing an av. Polygonum erectum L. appears in other Kew resources: IPNI - The International Plant Names Index. & D. Löve • ME, VT. Fields, roadsides, waste areas, railroads, lawns. The lost crops of eastern North America have small seeds with thick, indigestible fruit or seed coats in their wild forms. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA., 2005. Harold R. Hinds† Information. Polygonum idaeum Hayek; Strand-Knöterich (Polygonum oxyspermum C.A.Mey. Symbol POER2 Common Name erect knotweed Botanical Family Polygonaceae Media in category "Polygonum erectum" The following 10 files are in this category, out of 10 total. (Smartweed) (P. pensylvanicum, P. persicaria, P. erectum, P. coccineum and P. scabrum)**OUTLINE** 1) SEED. Unbeständiger Vogelknöterich (Polygonum aviculare ssp rurivagum (Boreau) Berher). Polygonum hickmanii H.R.Hinds & Rand.Morgan: Sie kommt in Kalifornien vor. Silver-sheathed knotweed, Polygonum argyrocoleon, is similar to common knotweed, but has a more erect growth habit reaching 12 to 20 inches in height. 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. Common knotweed can be confused with spotted spurge in gardens … Britton, N.L., and A. erectum (L.) Ledeb. Plants light green or yellowish, heterophyllous. Manual of vascular plants of northeastern United States and adjacent Canada. 1: 363. VI - XI, Hackfruchtäcker, Getreidefelder Nea Potidea, Chalkidiki (18.08.2017) 1 "Polygonum erectum Linnaeus in Flora of North America @ efloras.org" eFlora. Sp. Web. Polygonum erectum L. POLYGONACEAE Initial Editorial Analysis 12 Aug 2005 Source of Report for California: Munz, P.A. Polygonum spp. An Extinct Domesticated Subspecies of Erect Knotweed in Eastern North America: Polygonum erectum subsp. It may be distinguished from common knotweed by its long leafless, rose-colored flower spikes and its shiny seed. 1913. 1.1) Seed production. watsoniae (Polygonaceae) Author: Mueller, Natalie G. Source: Novon 2017 v.25 no.2 pp. Polygonum erectum L. Family: Polygonaceae . In their wild forms, the lost crops of eastern North America have small seeds with thick, indigestible fruit or seed coats. An illustrated flora of the northern United States, Canada and the British Possessions. Join our friendly community that shares tips and ideas for gardens, along with seeds and plants. NameThatPlant.net currently features 3812 plants and 23,740 images. 1. 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 Bibliography. & Bunge ex Ledeb.) 3 vols. Stems erect to ascending, sparingly branched in distal 1/2, not wiry, 15–75 cm. Polygonum erectum Linnaeus [family POLYGONACEAE], Sp. Erect knotweed (Polygonum erectum L.), an annual seed crop, was cultivated in Eastern North America between c. 3000–600 BP. 166-179 ISSN: 1055-3177 Subject: Polygonum, etc ; biological nomenclature; crops; dimorphism; domestication; pericarp; plant … Treatment on page 550. Pl. tab separated .txt "printable" version of Polygonaceae, flower seed price-list. Mentioned on page 549, 551. Polygonum erectum L. - erect knotweed POER2. 1753. WeedyEndemic. Aufrechter Knöterich (Polygonum erectum L.): Er kommt in Kanada und in den Vereinigten Staaten vor. François J. Tardif. Polygonum erectum L. ssp. erect knotweed. Treatment Author(s) Mihai Costea. KB; Other Data. 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. Vol. 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: Bailey, C. & al. achoreum (Blake) A. Brown. Terms of Trade Contact - eMail Other Seed Lists. Provided by Kentucky Native Plant Society. Gilman, A.V. Stems erect to ascending, sparingly branched in distal 1/2, not wiry, 15–75 cm. Treatment appears in FNA Volume 5. First published in Sp. A synchronized flowering period late in the growing season results in simultaneous ripening of a quantity of small-sized starchy seeds during October. IDENTIFYING POLYGONUM SEEDS Alexander C. Martin United States Fish and Wildlife Service, Patuxent Research Refuge, Laurel, Md. In addition, users can learn about the location of vouchered specimens and see images to get a better visual for each plant. (2015). : 363 (1753) Accepted by. New flora of Vermont Memoirs of the New York Botanical Garden 110: 1-614. 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, … 2 "Gleason, Henry A. Polygonum erectum. Br. 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. Polygonaceae Including plants for which we do not have seed sources (some unavailable plants do not produce viable seed … Scientific classification Kingdom: Plantae (unranked): Angiosperms (unranked): Eudic Silver-sheathed knotweed is most common in southern California. 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: Linnaeus. Polygonum plebeium R. Emmet J. Judziewicz . 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. The report of this species in CT by Magee and Ahles (1999) is based on a specimen of Polygonum buxiforme— Ahles 85330 ( MASS! Relatively few farmers today actively maintain crop biodiversity, but for most of the history of agriculture this was the norm. 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 crassicaule Raf. in collaboration with D. D. Keck. For many plants, the website displays maps showing physiographic provinces within the Carolinas and Georgia where the plant has been documented. It flowers and fruits throughout the summer and into the fall until a killing frost. of 2898 seeds/plant … seeds 3; more Subject » Search 6 Search Results ... Search Results. 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. Mihai Costea, François J. Tardif, Harold R. Hinds † Common names: Erect knotweed renouée dressée. 1: 663. On NameThatPlant.net, plants are shown in different seasons (not just in flower), and you can hear Latin names spoken, look up botanical terms, … B & T World Seeds log in or create an account. Plants light green or yellowish, heterophyllous. 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 … The genus Polygonum ranks high among plants important to wildlife. Pl., 1: 363. (2015). Browse pictures and read growth / cultivation information about Erect Knotweed (Polygonum erectum) supplied by member gardeners in the PlantFiles database at Dave's Garden. lxxv + 910 pp." ). Polygonum erectum Roth Common names Erect knotweed in language. Accessed February 2018. Erect knotweed (Polygonum erectum L.) Erect knotweed was cultivated in ancient Iowa and may have been domesticated. Polygonum erectum, Erect Knotweed. Has 2 Synonyms. & Cronquist, Arthur J. 1991. 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. By c. 900 BP, culti-vation had produced a domesticated subspecies with greatly reduced germination heteromorphism. 1753. 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. Contact - eMail Other seed Lists this category, out of 10.! G. Source: Novon 2017 v.25 no.2 pp our friendly community that tips... Of the northern United States Fish and Wildlife Service, Patuxent Research Refuge Laurel! In Other Kew resources: IPNI - the International plant names Index Harold R. Hinds Common! … tab separated.txt `` printable '' version of Polygonaceae, flower seed price-list Löve • ME, Fields. Nea Potidea, Chalkidiki ( 18.08.2017 ) Polygonum aviculare var tab separated.txt `` printable '' version of Polygonaceae flower. R. 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