The specific epithet maculosa means spotted; it refers to the dark blotches on leaves of Redshank. Persicaria maculosa is an annual plant growing up to 80cm, with lanceolate, wide in the middle, dark-spotted, green leaves and small, pink or white flowers in vertical, dense inflorescences. The beauty of some wildflowers, of which Redshank is a prime example, is overlooked by all but those who stoop to study them close up. Many neophytes, including lupin, hogweeds and Himalayan balsam, are regarded as “harmful” in Finland due to the way that they spread aggressively to unsuitable areas. Persicaria, the generic name, relates the shape of leaves of this group of plants to those of a peach tree. Short to medium, erect to sprawling, hairless, branched plant. The Redshank (Persicaria maculosa, formerly Polygonum persicaria) is a perennial plant from the Knotweed family Polygonaceae.It is also called Persicaria, Redleg, Lady's-thumb, [1] Spotted Ladysthumb, Gambetta, and Adam's Plaster in Newfoundland. Standing up to 80 cm tall, this plant bears its bright pink, rarely white, flowers in cylindrical, densely-crowded spikes on reddish stems. Plants annual, (0.5-)1-7(-13) dm; roots also often arising from proximal nodes; rhizomes and stolons absent.Stems procumbent, decumbent, ascending, or erect, simple or branched, without obvious ribs, glabrous or appressed-pubescent.Leaves: ocrea light brown, cylindric, 4-10(-15) mm, chartaceous, base inflated, margins … It can form hybrids with pale persicaria (P. lapathifolia). Flowers crowded in stout, short spikes, pale to bright pink. Perianth with 5 lobes, pink–red (occasionally white), fused from base to half-way. Amphibious Bistort, According to the time they arrived, they are native, archeophytes or neophytes. Always read the label and product information before use. Jennifer Anderson @ USDA-NRCS PLANTS Database. Species Profile - Persicaria maculosa. Terms of use - Privacy policy - Disable cookies - External links policy. Description: Persicaria maculosa (also known as Polygonum persicaria, lady’s thumb, spotted lady’s thumb, Jesusplant, and redshank, Chinese Pinyin: Ma Liao, Simplified Chinese: 马蓼, 大蓼, 墨记草, 春蓼), is a species of annual herbaceous plant in genus Persicaria (Polygonaceae family). © Copyright: Images: Jouko Lehmuskallio. An alternative scientific name is Polygonum persicaria, while 'persicaria' is also used as another alternative common name. Persicaria maculosa var. The fringes on the P. persicaria ocrea are short, less than half the length of the membraneous ocrea. You will find plenty of Redshank in marshy areas, although it is also quite commonly seen in dryareas where the ground has been disturbed - building sites, for example. As in this example, there are usually dark blotches, often shaped rather like arrowheads, on the leaves of this annual plant. Height: 10–60 cm (4–25 in.). Native to Europe, it is an invasive species in the Great Lakes region … Archeophytes in Finland are classified as those species which have arrived in the country with people. Redshank is believed to have arrived in Finland in ancient times (an archeophyte). Back to Main Page: Family Index: Redshank looks a lot like pale persicaria (P. lapathifolia), whose flowers are often greenish, or less commonly reddish. Persicaria maculosa Redshank CCC DD N This is a very common weed which is found in wet places, fields, waste ground and even growing out of the crack between pavement and wall. A neophyte is a species that has arrived after the beginning of the 17th century. It is summer … redshank (plural redshanks) Either of two species of Old World wading bird in the genus Tringa that have long red legs. It is from the reddish colour of the stems, most particularly immediately above branching nodes, that Persicaria maculosagets its common name Redshank. Pale Persicaria… P. persicaria has a distinctly fringed ocrea, distinguishing it from other Polygonum species (Uva et al., 1997). The Cherokee, Chippewa, and Iroquois prepared simple or compound decoctions of Persicaria maculosa, which they used as dermatological, urinary, gastrointestinal, and veterinary aids, for heart medicine, and as an analgesic (D. E. Moerman 1998). For product information including warning phrases and symbols refer to the products section. 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 maculosa Gray Maculosa refers to dark blotches … Information: Use plant protection products safely. The common redshank or simply redshank (Tringa totanus) is a Eurasian wader in the large family Scolopacidae.The genus name Tringa is the New Latin name given to the green sandpiper by Aldrovandus in 1599 based on Ancient Greek trungas, a thrush-sized, white-rumped, tail-bobbing wading bird mentioned by Aristotle.The … Persicaria maculosa: Gray: heartweed, lady's-thumb, spotted lady's-thumb, redshank : Polygonaceae; Europe: SYNONYMS: Polygonum persicaria L. Unless otherwise noted the images are those of ©Robert L. Carr. Name also: Redleg, Spotted Lady’s-thumb, Spotted Ladysthumb, (USA), Adam’s Plaster (Newfoundland) Family: Dock Family – Polygonaceae; Growing form: Annual herb. Hide Fungi Hide Ascomycete … The surest way to tell the species apart is to study their stipule-sheaths, which are long-haired on redshank and short-haired on pale persicaria. It is included in an evolving list of plants carefully researched and chosen by RHS experts. General Info Redshank, persicaria maculosa (polygonum pericaria), wildflower, Fleet Valley, Dumfries & Galloway, Scotland Early Autumn flowers of the hardy perennial Persicaria amplexicaulis 'Taurus' Persicaria milletii close up of flower. Approximately 120 species in Finland are archeophytes. The following relationships have been collated from the published literature (see 'References'). Redshank was regarded as nutritious and has been fed to horses and cattle as green food. long, usually 3-edged achene. The EU area has approximately 11,000 alien species, a good 10% of which are regarded as nuisances. The leaves are rich in vitamin C. If so we are sure you would find our books Wonderful Wildflowers of Wales, vols 1 to 4, by Sue Parker and Pat O'Reilly very useful too. Inflorescence a dense spike. The leaves and young shoots are cooked eaten as leaf vegetables in some countries. Plants are divided into three classes according to their native habitat. Interactions where Persicaria maculosa is the victim or passive partner (and generally loses out from the process) . Stem glabrous, slightly swollen at joints. Pistil of two fused carpels. Lady's thumb or redleg (Persicaria maculosa), an herb in the buckwheat family. The specific epithet maculosameans spotted; it refers to the dark blotches on leaves of Redshank. Redshank has been used as a medicinal herb to treat e.g. 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 … long. maculosum (Gray) Dyer & Trimen, 1871 Polygonum leucanthemum Gand., 1882 Polygonum maculatum Dulac, 1867 Polygonum persicaria … amblyophylla is currently the only accepted variety of P. maculosa listed by Plants of the World Online and are native of Japan. Redshank exhibits considerable phenotypic plasticity and genotypic variation. Redshank (Persicaria maculosa) (4860384841).jpg 1,732 × 2,317; 703 KB Redshank (Persicaria maculosa) - geograph.org.uk - 1144064.jpg 640 × 480; 91 KB Renouée persica(0)a.jpg 1,440 × 2,160; 324 KB Redshank (Persicaria maculosa, formerly known as Polygonum persicaria) is one of those plants that are not really known as edible. The stems are sometimes, but far from always, flushed with red - hence the common name. The stems are glabrous, branching at base, erect, herbaceous, typically reddish at nodes. 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 fused near to the base. redshank. All names: Persicaria maculosa Gray; Polygonum persicaria L. «« Return to previous page ), with entire margins, glabrous, surface with black blotch. 3.5 mm (0.14 in.) This plant will provide nectar and pollen for bees and the many other types of pollinating insects. The stems develop a reddish … diarrhoeah and infectious diseases, and the leaves and young shoots can be eaten in salads. Generally considered a nuisance weed of cultivated land, Redshank has been used as a source of a yellowish dye. 1992. Flower: Regular (actinomorphic)–campanulate (bell-shaped), approx. Basally (to half-way) united styles 2. The website also provides access to a database and images of plants photos and herbarium specimens found at participating herbaria. argentea Gray Persicaria mitis Delarbre, 1800 Persicaria vulgaris Samp. Phylum: Magnoliophyta - Class: Equisetopsida - Order: caryophyllales - Family: Polygonaceae. Persicaria maculosa var. Visit us. A late summer flowerer it is usually the pink colour in the left but the unusual red form shwon was in every other respect a normal P. maculosa . Wiry branched stems with 'knots' at leaf joints which are swollen and reddish with a covering of a silvery scale. Redshank Persicaria maculosa. Within the perianth are six white stamens, two fused carpels and two styles. Identify species based on their characteristics! Habitat: Yards, gardens, fields, waste ground, ditches, soil heaps. Stem glabrous, slightly swollen at joints. Common names include lady's thumb, spotted lady's thumb, Jesusplant, and redshank. But take a … Leaves lanceolate, tapered at the base, often with a large blackish blotch. Ochrea margin with long hairs. Common throughout Britain and Ireland, Redshank occurs throughout temperate parts of Europe and Asia. The Alabama Plant Atlas is a source of data for the distribution of plants within the state as well as taxonomic, conservation, invasive, and wetland information for each species. Stamens 6. e.g by boat or with soldiers, before the beginning of the 17th century. A species of moss (Ceratodon purpureus), also known as fire moss or purple horn toothed moss. Amphibious Bistort Persicaria amphibia has similar flowers; its long-stalked leaves are a clear distinguishing feature; the leaves of Persicaria maculosa are almost stalkless..: The pictures of Persicaria maculosa shown on this page were taken in West Wales during July and August. 1. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually. All rights reserved. In Britain and Ireland Redshank blooms from June through to October. It's a rather common weed though, native to Europe and an invasive species in the US, but redshank seems to grow so modestly that no one seems to notice it. Synonyms and Other Names: Polygonum persicaria, lady's thumb, redshank, smartweed, Jesusplant. Persicaria, the generic name, relates the shape of leaves of this group of plants to those of a peach tree. Species: P. maculosa Binomial name: Persicaria maculosa was Polygonum persicaria Common name: Willow Weed, Redshank, Persicaria, Redleg, Lady's-thumb, Spotted Ladysthumb, Gambetta Willow weed is native to Europe and Asia and is a perennial plant from the Knotweed family Polygonaceae. Latin Name: Persicaria maculosa Family: Polygonaceae Height: 25 - 75 cm Season: Jun - Oct A member of the Dock family, and a relation of Amphibious Bistort (Persicaria amphibia), Redshank is a fairly common sight in arable fields, waysides, marshland and waste ground around Scotland. Common Name: Spotted ladysthumb. Erect–ascending, limp. Water Pepper, Alpine Bistort, Amphibious Bistort, Asiatic Dock, Bistort, Black Bindweed, Broad-leaved Dock, Buckwheat, Common Sorrel, Curled Dock, Japanese Knotweed, Knotgrass, Koenigia divaricata, Monk's Rhubarb, Mountain Sorrel, Northern Dock, Pale Persicaria, Scottish Dock, Sheep's Sorrel, Water Dock, Water Pepper. We hope that you have found this information helpful. The flowering and the harvesting take place from July to November and the fruiting happens from August to October. (We strongly advise against eating or using as medicines any plants without first obtaining qualified professional advice.). It is an introduced species in North America. It is native to Eurasia and present as an introduced and invasive species in North America, where it was first noted in the Great Lakes … POWO list 19 synonyms of the species including Polygonum persicaria which is one of … Leaf blade short-stalked–stalkless, lanceolate–narrowly elliptic, 5–10 cm (0.2–0.4 in. Filters: Show All Hide Herbivores Hide Parasites Hide Mycorrhizae Hide Saprobes. More often overlooked as a weed growing close to water and on arable land, this is an annual which is identified mainly by the dark blotch on its leaves. Western … Genus:Persicaria . Redshank (Persicaria maculosa) is regarded as an environmental weed in Victoria and it is seen as a potential threat to one or more vegetation formations in this state. It is from the reddish colour of the stems, most particularly immediately above branching nodes, that Persicaria maculosa gets its common name Redshank. Persicaria bistorta (bistort, common bistort), 'Superba' Redshank Persicaria maculosa. Click on any image to load an enlargement. The leaves vary in shape and size and the flowers may be red, pink or white. Redshank; Redshank [Persicaria maculosa] Print. Roots are typically a … → Distribution map Spotted Lady's-thumb, Redshank: Genus: Persicaria: Family: Polygonaceae (Buckwheat) Life cycle: annual: Origin: Europe: Status: Weedy; Habitat: part shade, sun; moist disturbed soil; shorelines, ditches, waste places, agricultural fields: Bloom season: June - September: Plant height: 12 to 30 inches: Wetland Indicator Status: … (Kasviatlas, University of Helsinki). Fruit: Shiny black, 2–3 mm (0.08–0.12 in.) Height: 10–60 cm (4–25 in.). Polygonum agreste Fr., 1839 Polygonum benearnense Gand., 1882 Polygonum dubium Stein Polygonum lapathifolium subsp. Each tiny flower has no petals but has 4–6 petal … Pale Persicaria, As he was going he turned round and said to me, pointing at redshank (Persicaria maculosa) with a smile, ‘Do you know what we used to call that one then?’ I said no, and he replied ‘Arsewipe’ (because of the brown blotch on the leaf). Name also: Redleg, Spotted Lady’s-thumb, Spotted Ladysthumb, (. These are both alien species. Polygonum persicaria) is an annual plant in the knotweed family, Polygonaceae. Persicaria maculosa (syn. The leavesare lance-shaped with a shortstalk and usually have a dark blotch in the centre, which is why it is sometimes called Ladysthumb, particularly in North America, as it is said to resemble a thumb-print. 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