subspecies ... Use our free mobile apps to identify images and record your counts and observations. The whole performance lasts from July to September. It also occurs on moderately well-drained upland soils and is a frequent weed in cultivated fields, pastures, roadsides and gardens. Tel 01422 203553, dovecottagenursery.co.uk. Polygonum lapathifolium), known as pale persicaria,[2] is a plant of the family Polygonaceae. Mobile apps Our partners. [4][5][6][7][8] Many varietal and sub-specific names have been coined, as the plant is morphologically variable. Species. Persicaria runcinata travels underground but needs decent light, so being hemmed in by shrubs or paving should be enough to contain its spread. There are six stamens, two partially fused carpels and two styles. Smaller in stature than most Persicaria amplexicaulis cultivars. RHS H7. The leaves are dark green enlivened by pale midribs and a subtle pleating between the veins. Mature plants have coarse stems which are swollen at the nodes, with papery sheaths (ocrea) around the nodes. Contact. There have been various opinions about how broadly the … AGM. Along with other members of the Polygonaceae family, they are commonly known as knotweed with the self-seeding Persicaria virginiana also known as jumpseed. A common weed of cultivated land, avoiding shade. The Cherokee used the crushed leaves to treat rash caused by poison ivy. The flowers look similar to Amphibious Bistort and paler forms also resemble Pale persicaria. List of various diseases cured by Pale Smartweed. Discover more about Persicaria below. Redshank is believed to have arrived in Finland in ancient times (an archeophyte). Persicaria pensylvanica NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to form a strategic partnership called N.C. Polygonum lapathifolium), known as pale persicaria, is a plant of the family Polygonaceae.It is closely related to Persicaria maculosa and as such is considered a weed in Britain and Europe. You can unsubscribe at any time. Each leaf base has stipules which are fused into a stem-enclosing sheath that is loose and fringed with few if any hairs at the upper end. Is Lady's Thumb Edible?. List of various diseases cured by Pale Smartweed. RHS H6. The structures of the compounds were determined by high field 1H NMR and other spectroscopic techniques. How Pale Smartweed is effective for various diseases is listed in repertory format. Their seeds are an important food source for many species of songbirds, waterfowl, and mammals, and the foliage provides cover for wildlife. Identification difficulty. The fast growing, slightly woody, twining, deciduous … Pale persicaria is a variable annual often associated with old habitation. Polygonum lapathifolium) spotted inside Anavros stream riverbed, Nea Demetrias suburb, Volos city, Greece. Poorer conditions will restrict their vigour somewhat, as well as splitting and re-planting their clumps regularly in autumn. In natural areas they can be a desirable component of the flora. Although they do not have the insidious habit of travelling hither and thither by root, the most vigorous clump-formers, such as Persicaria x fennica ‘Johanniswolke’ and Persicaria amplexicaulis, may surprise you with their competitive zeal above ground, and can swamp adjacent plants unless they are similarly competitive. Synonyms: Persicaria fastigiatoramosa, Persicaria hydropiper, Polygonum fastigiatoramosum, Polygonum maximowiczii Family: Polygonaceae (Buckwheat Family) Medicinal use of Smartweed: Smartweed has a long history of herbal use, both in Eastern and Western herbalism. Discover some of the most glorious gardens from around the world.Find out more, Already have an account with us? Persicaria lapathifolia (syn. Persicaria minor is a herb species of the family Polygonaceae, with synonym Polygonum minus, and is also known by the common names small water-pepper, small smartweed, pygmy smartweed, spotted lady's thumb and kesum (Malay). Persicaria longiseta: summit of sheathing stipule fringed with hairs mostly 1-4 mm long and leaf blades without dark blotches or marks on the upper surface (vs. P. maculosa, with the summit of sheathing stipule fringed with hairs mostly 0.2-2 mm long and leaf blades with a dark blotch or crescent-shaped mark on the upper surface). One female flower appears among a group of male flowers in a cluster 6 to many-seeded fruit is small, flat round, violet or red-purplish when ripe. Similar Species. Its leaves are stomachic. [3], photo of herbarium specimen at Missouri Botanical Garden, collected in Missouri in 1890, Calphotos Photo gallery, University of California, https://en.wikipedia.org/w/index.php?title=Persicaria_lapathifolia&oldid=973183238, Taxonbars with automatically added basionyms, Creative Commons Attribution-ShareAlike License, plus many more names at level of subspecies, variety, or form, This page was last edited on 15 August 2020, at 21:00. The inflorescence is a dense spike, often nodding. Ahmed et al. Try saying that with a potato in your mouth (as my mother would have said). Habitat: Shores, arable land, waste ground, gardens, rubbish tips, and roadsides. As in this example, there are usually dark blotches, often shaped rather like arrowheads, on the leaves of this annual plant. Tel 015395 52946, sussexprairies.co.uk, • Beth Chatto Nursery, Elmstead Market, Colchester,  Essex CO7 7DB. An older cultivar of the species, which is palest pink, enhancing its transparent properties. diarrhoeah and infectious diseases, and the leaves and young shoots can be eaten in salads. The stems are openly branched and often reddish. Newsletter sign up form. This can be a considerable virtue if you are looking to cover a wide area with something attractive that will exclude even the most determined weeds; however, in the mixed border it can become a bit of a nuisance as the wiry stems gain considerable purchase on the soil with their roots, and are hard to extricate from neighbouring plants. arundinacea ‘Transparent’ and Panicum virgatum ‘Northwind’, which all have suitable vigour. Flowers crowded in stout, short spikes, pale to bright pink. RHS H7. Facts Lady's-thumb smartweed is an annual weed of wet disturbed areas. 80cm. By entering your details, you are agreeing to Gardens Illustrated terms and conditions and privacy policy. Persicaria Persicaria. View now. 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