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. Persicaria Persicaria. Persicaria: how to grow persicaria and the best cultivars. Although it will tolerate some shade, the purple and silver variegation is more marked with exposure to sunlight. The fruit is a rounded, flattened nut. 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. In natural areas they can be a desirable component of the flora. The leaves are dark green enlivened by pale midribs and a subtle pleating between the veins. Sign in to manage your newsletter preferences. Persicaria lapathifolia, pale knotweed. Most species are hardy to -20ºC with a hardiness rating of RHS H6 to H7, and are generally suitable for gardens within USDA zones 4a to 8b. 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). 80cm-1m. Uses: Native Americans took an infusion of the plant for fevers and stomachaches. List of various diseases cured by Pale Smartweed. It is used in South East Asian cooking. A rather more subtle and interesting plant than it may first appear. Native Americans used Pennsylvania smartweed for medicinal purposes. (1990) found, in addition to several known chalcones, a new isoflavanone, a dihydrochalcone and three chalcone derivatives. uses/health benefits of persicaria senegalensis Furfura is cultivated in China, Japan and Korea (also as crop on larger fields); formerly occasionally grown in Europe (Ukraine) and the Caucasus area. 1.2m. Redshank has been used as a medicinal herb to treat e.g. Author Rory Dusoir is a Kew-trained plantsman and garden writer. Is Lady's Thumb Edible?. Facts Lady's-thumb smartweed is an annual weed of wet disturbed areas. As with so many other genera, molecular studies conducted this century have blown it apart into smaller constituent genera, including Polygonum, Fallopia and Fagopyrum. By a happy accident, most of the pre-eminent horticultural species now reside in one genus, Persicaria, although this is by no means completely settled. Carey's Smartweed can be distinguished from all other Persicaria species in Minnesota by the glandular hairs in the upper plant combined with long, spreading white hairs on the leaf veins and ocrea. It also occurs on moderately well-drained upland soils and is a frequent weed in cultivated fields, pastures, roadsides and gardens. Species. Tel 01422 203553, dovecottagenursery.co.uk. The two species can hybridize. Persicaria lapathifolia is an erect, annual plant growing up to 180cm tall. Polygonum lapathifolium) spotted inside Anavros stream riverbed, Nea Demetrias suburb, Volos city, Greece. We are here for you. The species covered here are found in a wide area emanating from the Himalayan region, while Persicaria virginiana is widespread throughout eastern North America. General Description/Similar Species: Introduced from Europe but almost identical to the smaller plants of Pale smartweed with ocrea and undersurface of upper leaves as in; distinguished from Pale smartweed by having its flowers in shorter and plumper pale green to greenish-white spikes (1-5cm long by 0.8-1.5cm wide; 2/5-2in. If you're used to buying our magazine from the shops,  you can now order and receive the next issue delivered to your home. Discover some of the most glorious gardens from around the world.Find out more, Already have an account with us? The seed is carminative, diuretic and stimulant. Toxicity Uses, Benefits, Cures, Side Effects, Nutrients in Pale Smartweed. Habitat: Shores, arable land, waste ground, gardens, rubbish tips, and roadsides. This one is distinguished from other white-flowered cultivars by the increased length and breadth of its upright inflorescences, which have a distinct pink tinge, and large light green leaves. The broader grouping contained some plants of infamously expansive vigour, including Russian vine (now Fallopia baldschuanica), and Japanese knotweed (Fallopia japonica). You can use this page to help identify the broad-leaved weeds in your crops, and then find out more about the relevant crop protection products. RHS H6. An atmospheric foliage plant. The various species within the genus Persicaria are rather varied in their garden uses and cultivation requirements, but they tend to have in common a completely robust approach to life and will generally flourish with a minimum of fuss. Its foliage is semi-evergreen so it makes a fairly formidable groundcover plant. But the best approach is to let them jostle with other big beasts of prairies, meadows and flower borders, such as Eupatorium maculatum and the aster Doellingeria umbellata, as well as anemones, Vernonia arkansana, Silphium perfoliatum and larger grasses such as Miscanthus sinensis, Molinia caerulea subsp. Its leaves are stomachic. United Kingdom. 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. Comments: Persicaria - peach, alluding to the resemblance of the leaves of some species to those of the peach and lapathifolia - dock leaf, the leaves resembling those of some Rumex species. 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. The perianth (the corolla of infertile structures around the reproductive parts) of each tiny pink flower consists of four or five petal-like lobes that are fu… The flowers are uniquely lustrous and in this cultivar fully suffused in soft pink. Known Hazards Although no specific mention has been made for this species, there have been reports that some members of this genus can cause photosensitivity in susceptible people. Habit. USDA 4a-8b. AGM. A varied and versatile genus of around 100 species of robust and colourful perennials. Plants Polygonaceae Persicaria Persicaria lapathifolia Show related species. Although it’s tempting to regard this species as a rather functional garden plant, it has fine decorative qualities. Sign up to our newsletter. The stems are sometimes, but far from always, flushed with red - hence the common name. A tall and hearty plant with brilliant white flowers that darken at an imperceptible pace as they turn into ripened seed, eventually ending up a rich russet. RHS H7, USDA 5a-8b. How Pale Smartweed is effective for various diseases is listed in repertory format. It is not very demanding but prefers nitrogen-rich soil. Persicaria affinis is also quite a rapid coloniser, forming a solid interlocking mat of running stems. The flower spikes open white but mature by degrees to a deep crimson, and the plant will carry flocks of them at all their stages. Until recently, the genus that we now know as Persicaria used to sit within a much broader genus called Polygonum. The versatility of the species is highlighted by Piet Oudolf’s planting at the Hauser & Wirth gallery in Somerset. If you're used to buying our magazine from the shops, you can now order and receive the next issue delivered to your home, Win a kitchen planter and grow bag tray container from Forest Garden, Choosing spring bulbs for pollinators: joy for us and our wildlife, Elizabeth MacGregor nursery in Scotland: perennial cultivars fit for a jewel garden, Rob Chew’s designs for an evolving garden in Ascot, Tokachi Millennium Forest: The 1,000-year garden. 60-90cm. They may have damned some of their better-behaved cousins by association; however, although many of the species recommended here display a robust constitution and an agreeable self-sufficiency, they are all fairly easy to control when required. An older cultivar of the species, which is palest pink, enhancing its transparent properties. Pale persicaria is a variable annual often associated with old habitation. Similar Species. Ahmed et al. A common weed of cultivated land, avoiding shade. Flowering time: July–September. Is Lady's Thumb Edible?. Cultivation of the herb: Damp shady places. However, these species can invade protected wetlands and agricultural systems. The species is found growing on the sea shore and in disturbed ground such as arable land, gardens, waste ground, rubbish tips and road verges. The genus Polygonum has recently been split into smaller genera and water smartweed was reclassified as Persicaria amphibia.. Waterfowl and raccoons (Procyon lotor) eat water smartweed seeds. Other uses of the herb: A yellow dye is obtained from the plant when alum is used as a mordant. A poultice of the plant is used in treating swollen and inflamed areas. The leaf blades often have a dark-coloured blotch in the centre and are lanceolate or narrowly elliptical and have entire margins. The surest way to tell the species apart is to study their … Flowers crowded in stout, short spikes, pale to bright pink. Known hazards of Polygonum persicaria: Names of Pale Smartweed in various languages of the world are also given. This plant flowers from July to September in northern temperate regions. P. affinis - P. affinis is a mat-forming, evergreen perennial with large, elliptic to lance-shaped, dark green leaves turning bronze-red in autumn and, from midsummer to mid-autumn, erect spikes of bright reddish-pink flowers fading to pale pink. From 30cm to 2.5m, Persicaria have a general preference for rich soil and sun, with a few exceptions, but most species are adaptable. Both are summer annuals, growing to 5 ft tall (pale smartweed) or 3 ft (ladysthumb). It is a species complex made up of a great many varying forms, sometimes considered varieties. There are six stamens, two partially fused carpels and two styles. You will be charmed by the bountiful long-blooming spikes of pale pink flowers of Mountain Fleece 'Rosea. USDA 4a-8b. Redshank has been used as a medicinal herb to treat e.g. [4][5][6][7][8] Many varietal and sub-specific names have been coined, as the plant is morphologically variable. Polygonum is a genus of about 130 species of flowering plant in the buckwheat and knotweed family Polygonaceae.Common names include knotweed and knotgrass (though the common names may refer more broadly to plants from Polygonaceae).In the Middle English glossary of herbs Alphita (c. 1400–1425), it was known as ars-smerte. Pale Persicaria Pale Persicaria - Persicaria lapathifolia. P. lapathifolium is extensively used as an insecticide in Bangladesh. 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. Discover more about Persicaria below. Persicaria virginiana (known as jumpseed) and its cultivars may self-seed quite prolifically, but this is quite an innocuous habit as it is easy to remove and indeed, many of its volunteers may be quite welcome. The Cherokee used the crushed leaves to treat rash caused by poison ivy. Persicaria amplexicaulis‘Fat White’© Dianna Jazwinski Persicariacontains a broad variety of versatile garden plants, from vibrant, flowering dynamos and statuesque landscape plants to denizens of shady corners with atmospheric foliage. See synonyms for pale persicaria noun A knotweed, Polygonum lapathifolia, which bears spikes of greenish flowers and hard flat achenes, and is widespread in north temperate regions especially as a weed of damp arable land. The stems are openly branched and often reddish. Persicaria contains a broad variety of versatile garden plants, from vibrant, flowering dynamos and statuesque landscape plants to denizens of shady corners with atmospheric foliage. There have been various opinions about how broadly the … Find help & information on Persicaria lapathifolia pale persicaria from the RHS subspecies ... Use our free mobile apps to identify images and record your counts and observations. Pale Persicaria Persicaria lapathifolia (L.) Delarbre. Thin, spidery inflorescences appear in September. Tel 01686 670342, claireaustinhardyplants.co.uk, • Dove Cottage Nursery, Shibden Hall Road, Halifax, West Yorkshire HX3 9XA. Tel 01206 822007, bethchatto.co.uk, • Claire Austin, White Hopton Farm, Wern Lane, Sarn, Newtown, Powys SY16 4EN. Persicaria lapathifolia is an annual herb with erect reddish stems with swollen joints, growing to a height of 20 to 80 cm (8 to 31 in). arundinacea ‘Transparent’ and Panicum virgatum ‘Northwind’, which all have suitable vigour. The environment also has a strong influence on the morphology of an individual plant. 70cm. This selection by Dutch designer Piet Oudolf has extraordinarily vibrant colouring. On fields this species is a troublesome weed. Home Worldwide. 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. As the flower spikes are slender and accompanied by a proportionate amount of green leaf, as with wildflowers in nature, the colour does not appear too hard. How Pale Smartweed is effective for various diseases is listed in repertory format. Persicaria pensylvanica var. Bloomed Pale persicarias (Persicaria lapathifolia, syn. Uses, Benefits, Cures, Side Effects, Nutrients in Pale Smartweed. dura; Polygonum bicorne; Polygonum pensylvanicum; Phonetic Spelling per-sih-KAR-ee-uh pen-sill-VAN-ee-ka Description. Persicaria are found in pretty much every country worldwide. Bark and leaves are used as uretic and antidote to fever. Names of Pale Smartweed in various languages of the world are also given. diarrhoeah and infectious diseases, and the leaves and young shoots can be eaten in salads. When it comes to foraging for edibles, lady's thumb (Polygonum persicaria) is one of the most easy to identify plants, making it especially suitable for the novice gatherer. 2.5m. RHS H7, USDA 4a-7b. Tel 015395 52946, sussexprairies.co.uk, • Beth Chatto Nursery, Elmstead Market, Colchester,  Essex CO7 7DB. 1m. [3][4], Persicaria lapathifolia is found in many parts of both the Old World and New World. Redshank is believed to have arrived in Finland in ancient times (an archeophyte). Durslade Farm,  Dropping Lane, Bruton, Somerset BA10 0NL. The leaves are alternate with short stalks, often densely hairy underneath. Persicaria runcinata and Persicaria affinis are both much more likely to pose problems and need to be sited with some consideration. Pale Smartweed is similar in appearance to another large-sized smartweed, Persicaria pennsylvanica (Pennsylvania Smartweed) – however, this latter species has cylindrical racemes that are held more or less erect, and its flowers are often pink. Redshank looks a lot like pale persicaria (P. lapathifolia), whose flowers are often greenish, or less commonly reddish. Contact. • Hauser & Wirth Somerset. We are here for you. The perianth of each tiny pink flower consists of four or five lobes, fused near the base. The inflorescence is a dense spike, often nodding. [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 unique charm of this cultivar is that its flower spikes droop and rise again according to their fancy, somewhat in the manner of Lysimachia clethroides. Mat Forming. Another cultivar from Belgian designer Chris Ghyselen. The whole plant, either on its own or mixed with other herbs, is decocted and used in the treatment of a wide range of ailments including diarrhoea, dyspepsia, itching skin, excessive menstrual bleeding and haemorrhoids. Some Native American tribes ate the young shoots in the springtime and used a tea of the roots to treat mouth sores and stomachaches. You can unsubscribe at any time. Polygonum lapathifolium (pale persicaria); habit, with flower and leaves, on a fallow field. 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. it appreciates ample moisture. Identification difficulty. Persicaria lapathifolia (syn. Propagation of Red Leg: Seed - sow spring in situ. need to be controlled. Species; Additional images ... Leaves oval to linear-lanceolate, occasionally with pale blackish blotch, with yellowish dots (glands) beneath. Poorer conditions will restrict their vigour somewhat, as well as splitting and re-planting their clumps regularly in autumn. Habitat: Pale smartweed is a common native plant around streams, lakes and wet depressions throughout Ontario, often persisting as a weed in those locations whenever they come under cultivation. Another difference is the size of the seeds: Pale Smartweed has seeds up to 2 mm. From the leaves after fermentation, a blue dye is obtained (Chinese indigo), which is especially used for dyeing cotton. Public Domain - Released by AnRo0002/via wikipedia - CC0 1.0 Newsletter sign up form. As in this example, there are usually dark blotches, often shaped rather like arrowheads, on the leaves of this annual plant. The plant is harvested from the wild for local use as a food, medicine and soap. Pale Persicaria Persicaria lapathifolia (L.) Delarbre. Flowers in dense spikes, dull greenish white, sometimes pinkish, stalks with yellowish glands. Polygonum lapathifolium), known as pale persicaria,[2] is a plant of the family Polygonaceae. uses/health benefits of persicaria senegalensis Furfura is cultivated in China, Japan and Korea (also as crop on larger fields); formerly occasionally grown in Europe (Ukraine) and the Caucasus area. 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 variegated cultivar of  Persicaria virginiana, with vivid pink chevrons; beneath this the entire leaf is heavily blotched creamy white. RHS H7. 30cm. The structures of the compounds were determined by high field 1H NMR and other spectroscopic techniques. This one has coral flowers, which although extremely slender, are quite luminous and draw the eye from afar. RHS H7. Mobile apps Our partners. By entering your details, you are agreeing to Gardens Illustrated terms and conditions and privacy policy. Saarbrücken, Germany. August 2019. Reminiscent of elephants’ trunks, hence the name. An impactful cultivar of dense, saturated colour, lacking the subtlety and airy grace of many others. datasets have provided data to the NBN Atlas for this species.. Browse the list of datasets and find organisations you can join if you are interested in participating in a survey for species like Persicaria lapathifolia (L.) Delarbre Slugs and snails may make an impression on the foliage of Persicaria virginiana and its cultivars, but even they are not bothered too much. Persicaria amplexicaulis can be considered among the most floriferous of cultivated plants available to gardeners in temperate regions, and breeding has spawned a wide variety of cultivars in vivid shades of a spectrum between crimson and scarlet, although for the faint of heart there are also some white and soft pink-flowered cultivars. Mature plants have coarse stems which are swollen at the nodes, with papery sheaths (ocrea) around the nodes. by 1/3-2/3in. When it comes to foraging for edibles, lady's thumb (Polygonum persicaria) is one of the most easy to identify plants, making it especially suitable for the novice gatherer. 80cm. Its late season, spanning four months of intense flowering effort from July to October, combined with its general hardiness, versatility and natural charm, has won it an important place in the plant catalogues of the New Perennial Movement as well as in more traditional gardening paradigms. 1.5m. Brebach, nr. 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Highlighted by Piet Oudolf has extraordinarily vibrant colouring for various diseases is listed in repertory format and by... To the smartweeds and knotweeds young shoots can be eaten in salads mat of stems! Lapathifolium ), whose flowers are often greenish, or less commonly.... Young shoots can be eaten in salads persicaria: how to grow persicaria the. Fast growing, slightly woody, twining, deciduous … persicaria lapathifolia found! Extraordinarily vibrant colouring often have a dark-coloured blotch in the springtime and used a tea of the roots to e.g... In repertory format you will be charmed by the bountiful long-blooming spikes of Smartweed! Quite a rapid coloniser, forming a solid interlocking mat of running stems bee plant is from! Carminative, diuretic and stimulant usually dark blotches, often shaped rather like arrowheads, a!, saturated colour, lacking the subtlety and airy grace of many others – persicaria lapathifolia an. 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Habitat: Shores, arable land, avoiding shade cultivars selected and named by the bountiful long-blooming of... Europe and Australia infectious diseases, and roadsides cultivar fully suffused in soft pink the glorious. Fine decorative qualities ground, gardens, rubbish tips, and roadsides 1990 found. This herb is Native to Asia, but far from always, flushed with red - the... Have suitable vigour their mouths purple frequently, known as knotweed with the self-seeding persicaria virginiana, vivid... Great many varying forms, sometimes considered varieties swollen and inflamed areas and colourful....