Giant foxtail and Green foxtailCotyledon shape 1. Pennsylvania smartweed is a wildflower that can be found in a wide variety of moist, open areas ranging from fields, ditches, roadsides, swamps, prairies, fence rows, edges of marshes, lakes, and ponds and abandoned parking lots. Clemson University. Swamp smartweed resembles Pennsylvania smartweed and ladysthumb in appearance; however, it is usually much larger and is a perennial that can reproduce by long, creeping, woody rhizomes. One particular variety (Polygonum amphibium var. [5][9], Gilmore, Melvin R. 1933 Some Chippewa Uses of Plants. It is a common sight in waste areas and in nutrient-poor fields. Photo: Dwight Lingenfelter, Pennsylvania State Pin. The leaves are lance-shaped and are connected at the node by a membranous sheath, or ocrea. Eurasian black bindweed. The flowers of Pennsylvania smartweed are bright pink and bloom from July to October. The stems are smooth, reddish purple with swollen nodes, with alternating leaves. Portion of stem with leafstalk and ocrea. The blade may be marked with a dark blotch. The Pennsylvania smartweed is characterized by its lanced shaped leaves that are 4-20 cm long and.5-5 cm wide and are alternating on the stem. Downy brome 3. Description. N. L. Brown. No Image. Pennsylvania Smartweed, PA Ecotype. Habitat. General Description: Native to North America and very similar to Pale smartweed in general shape and habit of growth. Pennsylvania smartweed is a variable annual herb reaching 10 cm (3.9 in) to 2 m (6.6 ft) tall. Persicaria pensylvanica (Pennsylvania smartweed) Saponaria officinalis (bouncing-bet, common soapwort) Scirpus cyperinus (common wool-grass) Solidago gigantea (swamp goldenrod) Range New York State Distribution. Description of Pink Knotweed. At both locations Pennsylvania smartweed seeds were more abundant in COH (260 and 630 seeds m −2) than in other rotations (10 to 20 seeds m −2). E. Portion of upper stem with leaf stalk and ocrea showing stalked glands. The stems are smooth, reddish purple with swollen nodes, with alternating leaves. Q4® Plus Turf Herbicide for Grassy & Broadleaf Weeds, SpeedZone® Southern Broadleaf Herbicide for Turf, SpeedZone® Southern EW Broadleaf Herbicide for Turf, Trimec® 1000 Low Odor Broadleaf Herbicide, Trimec® Bentgrass Formula Broadleaf Herbicide, Trimec® Southern Broadleaf Herbicide for Sensitive Southern Grasses, TZone SE Broadleaf Herbicide for Tough Weeds. Description. The upright, ribbed stems are branching or unbranched. Smooth crabgrass 2. Zone 3 Table of Contents Description of Zone 3 Zizania aquaticaPoaceae (Grass Family)(Wild Rice) Polygonum hydropiper (Marsh Pepper or Knotweed) Polygonaceae (Buckwheat Family) Polygonum pensylvanicum (Pennsylvania Smartweed) Polygonaceae (Buckwheat Family) 1. Habitat: Growing on the edge of a small woodland pond. The growth habit is erect with multiple branching. Description. Description. The Menominee used this plant to treat hemorrhage, and to aid in post-partum healing. Pennsylvania Smartweed. [5][6] The Iroquois use it for horse colic. Pale Smartweed (Persicaria lapathifolia) is similar in appearance to another large-sized smartweed, Pennsylvania Smartweed (Persicaria pennsylvanica) – however, this latter species has cylindrical racemes that are held more or less erect, and its flowers are often pink or reddish. The various species vary greatly in growth habit, appearance, and size. The bases of the leaves form a distinctive cylindrical sheath where the stalk joins the stem. Leaves are lance-shaped. Click here for more information. It grows 2 to 4(6) feet high. Tweet; Description: Dense, terminal, spike-like clusters of small white and pink flowers. It can grow explosively in seasonal water basins, receding waterlines of lakeshores or any moist disturbed area. [2] It has also been noted as an introduced species in parts of Europe and South America. Description générale : originaire d'Amérique du Nord et très semblable à la persicaire pâle par son allure générale et son type de croissance. [5][7] The Menominee take a leaf infusion for hemorrhage of blood from the mouth and post-partum healing. Photos and Pictures . Entireleaf morningglory 2. The leaves are lanceolate with a red watermark. Knotweed is a highly successful invader of wetlands, stream corridors, forest edges, and drainage ditches across the country. Pennsylvania smartweed is distributed throughout the United States. 1. Excerpt from Publication 505, Ontario Weeds ... General Description: Closely resembling Lady's-thumb but more variable in height, occasionally exceeding 2m (6½ft) in swampy areas, usually only 45-90cm (11/2-3ft) in cultivated fields, or nearly prostrate in open areas. Pennsylvania smartweed is found throughout the United States. Barnyardgrass 1. Swamp Smartweed. It prefers to grow alongside other plants like pickerelweed, pondweed and milkweed, along with many other weeds that enjoy moist soil. Weed Photos: Courtesy of Dr. Lambert McCarty. The leaves are lanceolate with a red watermark. Description of Zone 3 Zone 3: (22 to 32 meters along the transect line, perpendicular to the shoreline … Famille : famille des polygonacées - Renouée, sarrasin. Persicaria hydropiper. The flowering branches have stalked glands. Pennsylvania smartweed is a variable annual herb reaching 10 cm (3.9 in) to 2 m (6.6 ft) tall. Growing up to 11 feet tall, knotweed can spread horizontally via an extensive network of underground rhizomes, along which many shoots will sprout. The individual flowers are small and form dense spike-like clusters on hairy stems. The blade may be marked with a dark blotch. Several types of insects seek out this plant in search of nectar. General Description: Pennsylvania smartweed is prevalent wildflower approximating 30-120 cm. Photo by John Cameron. The flowers have five pinkish or greenish tepals each a few millimeters long. Pennsylvania Smartweed, swamp smartweed, pale smartweed. General Description Members of the buckwheat family, these can be annual, perennial, or shrubby. Date: 7/11 /2009. Description Perrenial herbaceous plant 15.2-30.4cm (6-24in) tall with red stem. The stems are smooth, reddish purple with swollen nodes, with alternating leaves. General Description: Pennsylvania smartweed is prevalent wildflower approximating 30-120 cm. Ladysthumb can be distinguished from other smartweeds by the long hairs on the upper edges of the sheaths, and by the absence of white matted hair or yellow glands on undersides of leaves. Ivyleaf morningglory 5. Kidney 1. Portion of stem with leafstalk and ocrea. The unique, pale pink flowers bloom most of the summer and into autumn. This article contains tips to help you take control of this pesky nuisance. The alternate leaves have sheaths extending around the stems. C. Portion of stem with lower surface of leaf blade, leafstalk and ocrea. We have received some calls inquiring about post herbicide options for soybeans. The brownish ochrea at the base is up to 2 cm (0.79 in). A member of the Knotweed family, smartweed is a native, warm-season annual. A. The upright, ribbed stems are branching or unbranched. amphibians, reptiles, ducks, etc). This plant is usually found in moist to wet soils and prefers full sun sites. You may also like. University of Michigan Press (p. 129), Herrick, James William 1977 Iroquois Medical Botany. Description Perrenial herbaceous plant 15.2-30.4cm (6-24in) tall with red stem. Lady's Thumb. The greenish-pink flowers are in long, slender, loose racemes, that mostly droop at their tips. Photos and Pictures; Stems; Leaves; Flowers and Fruit; Habitat; Similar Species; Related Links. A. General Description: Annual, reproducing only by seed. It grows 2 to 4(6) feet high. Leaves are alternate, lance-shaped with pointed tips and smooth margins, usually hairless and occasionally with a purple watermark. From the Field - Buddleia, PA Smartweed, Foxtail Grass quantity . Pennsylvania Smartweed is a summer annual plant that is native to North America. Top. It reproduces readily by seed. ---Description---Annual. This information about field crop weeds was developed from the publication An IPM Pocket Guide for Weed Identification in Field Crops by Wesley Everman, … It is known to be an excellent bee plant. Quackgrass 6. Polygonum pensylvanicum[1]) is a species of flowering plant in the buckwheat family, Polygonaceae. Pennsylvania smartweed is a variable annual herb reaching 10 cm (3.9 in) to 2 m (6.6 ft) tall. The stems have a reddish color and swollen nodes. Smartweed seeds are heavily consumed by ducks, small birds, and small mammals. Lady's thumb has a distinctive triangular dark spot on its leaf. The blade may be marked with a dark blotch. terrestrial; wetlands; New England state. Polygonum aviculare. Buddleia, Pennsylvania Smartweed, Foxtail Grass still life Paula Chamlee, American photographer Bucks County, Pennsylvania. Hedge bindweed 4. The ocrea is not fringed. The native Pennsylvania Smartweed, formerly Polygonum pensylvanicum, is common throughout most agricultural regions of the state and often weedy in urban areas, and was once considered a county-level noxious weed in Minnesota. Pennsylvania smartweed Persicaria pensylvanicum L. Family: Polygonaceae (Smartweed family) Life cycle: Annual Native status: Native to North America Habitat: Crop fields, horticultural areas. Persicaria pensylvanicum is known as smartweed. Title An Illustrated Flora of the Northern United States and Canada Publication Author Britton. The native Pennsylvania Smartweed, formerly Polygonum pensylvanicum, is common throughout most agricultural regions of the state and often weedy in urban areas, and was once considered a county-level noxious weed in Minnesota. Renouée à feuilles de patience. Habitat: Growing on the edge of a small woodland pond. Share. Polygonum cuspidatum), an herbaceous perennial member of the buckwheat family, was introduced from East Asia in the late 1800s as an ornamental and to stabilize streambanks. Pennsylvania smartweed is a variable annual herb reaching 10 cm (3.9 in) to 2 m (6.6 ft) tall. The stems have a reddish color and swollen nodes. Gardeners and farmers despise the plant because it produces tons of seed and smartweed is capable of regenerating from every joint along the stem. Pennsylvania Smartweed. Leaf nodes are covered in papery, fringed sheaths. General Description. The stipules form a short inflated ochrea. The upright, ribbed stems are branching or unbranched. Plant. Emerged no-till soybeans. General Description. Photos and Pictures. emersum) is called pinkweed, water smartweed, heart’s ease, and tannin plant. It starts to emerge in the spring, sets its seeds in late summer, and dies in the fall. So it is well worth learning and collecting seed from this genus, though it may not be a beginner forager’s easiest plant to start with. The flowers of Pennsylvania smartweed are bright pink and bloom from July to October. in height. Item AA992. The brownish ochrea at the base is up to 2 cm (0.79 in). Categories: From the Field (NEW), Folders, Floral Collection. Family Polygonaceae Also Called Heart's Ease, Lady's Thumb. In North America, Pink Knotweed is also known as Pennsylvania smartweed, a member of the Buckwheat family. Publisher … This plant is best characterized by its dense, spike-like, elongated cluster of small light pink grain-like flowers.These flowers are arranged along a thin, vibrant green, fibrously robust, sticky, hairy stem. Pennsylvania smartweed Polygonum perfoliatum Asiatic tearthumb Polygonum persicaria spotted ladysthumb Polygonum phytolaccifolium poke knotweed Polygonum plebeium common knotweed Polygonum polycnemoides manyleg knotweed Polygonum polygaloides milkwort knotweed Polygonum polystachyum cultivated knotweed Polygonum punctatum dotted smartweed Polygonum raii Ray's … The inflorescences grow at the top of the stem and from the leaf axils. Persicaria pensylvanica (syn. Description. Pennsylvania smartweed is an annual herb that has small, five-parted pink or rose colored flowers on a short spike. Pennsylvania smartweed. Bulletin of the Public Museum of the City of Milwaukee 4:1-174 (p. 47), Smith, Huron H. 1928 Ethnobotany of the Meskwaki Indians. Pennsylvania smartweed is an annual plant, one of the few exceptions to those listed here. Marshpepper smartweed. Pennsylvania Smartweed may be easily confused with: Lady's Thumb. Pennsylvania Smartweed Polygonum persicara. Links. The bases of the leaves form a distinctive cylindrical sheath where the stalk joins the stem. Its close relative, giant knotweed (Fallopia sachalinensis), is very similar in app… It is more or less erect, often bending toward the … Plant. Plant. Tall morn… Certain species are adapted to aquatic situations. Large crabgrass 5. It is also commonly named Pennsylvania smartweed, pinkweed or pink smartweed. Add to cart. Smartweed (Polygonum pensylvanicum) is an annual broadleaf. Pennsylvania smartweed is a native annual of moist disturbed sites. Cotyledons are narrow oval to lance-shaped with rounded tips. The growth habit is erect with multiple branching. Persicaria maculosa. Hairy 1. The flowers are rose-pink (or white) and are found in crowded, elongate clusters. 1 Species ID Suggestions +0. New Hampshire Wildflowers. The plants grows vertically and horizontally and grows anywhere from 1 to 5 feet. The brownish ochrea at the base is up to 2 cm (0.79 in). 2020-12-10 • • Tweet; Description: Dense, terminal, spike-like clusters of small white and pink flowers. Plants: Taprooted, highly branched upright annual (McGregor et al. A. Relative importance (RI) values, based on relative density and relative frequency of each species, were lower in CS than in CCC for common lambsquarters and five other weeds at Wooster; RI of giant foxtail was 80% lower in COH than in … These flowers are arranged along a thin, vibrant green, fibrously robust, sticky, hairy stem. Clemson, SC. Plants: Taprooted, highly branched upright annual (McGregor et al. Pennsylvania smartweed. It is native to parts of North America, where it is widespread in Canada and the United States. The stem stands erect at 3-20 dm in height and can found either unbranched or widely branched. 0 Shares. When grown alone, Pennsylvania smartweed produced 1,640 and 2,060 g dry biomass plant-I depending on the year. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. Annual bluegrass 2. Barry Rosenthal: The Grid 1000-Piece Jigsaw Puzzle. Membranous 1. Renouée poivre-d'eau. B. pinweed. I am originally from Philadelphia, PA and smartweed grew along the drainage area along the fence of my property at the bottom of a hill, the soil stayed wet for a couple weeks after a rain and it was semi shaded from a maple that blocked the noon sun. Swamp smartweed typically has a longer flower cluster and a larger leaf. Pennsylvania smartweed Persicaria pensylvanicum L. Family: Polygonaceae (Smartweed family) Life cycle: Annual Native status: Native to North America Habitat: Crop fields, horticultural areas. Description. c. 6. Japanese knotweed (Fallopia japonica syn. Pennsylvania smartweed is an annual herb that has small, five- parted pink or rose colored flowers on a short spike. It is also commonly named Pennsylvania smartweed, pinkweed or pink smartweed. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S. KY: Haragan, P.D.. 1991. The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. Shattercane 7. Habitat. Location Found in waste … Pennsylvania smartweed is a summer annual. The upright, ribbed stems are branching or unbranched. The forage value of smartweed is poor for … Pennsylvania smartweed purple prairieclover western ragweed 10 25 10 20 5 85 alkali sacaton blue grama buffalograss Canada wildrye tall dropseed 5 rushes 5 sedges Invaders common to this site are alkali muhly, Japanese bromegrass, Kentucky bluegrass, kochia, russianthistle, sumpweed, tamarisk, and tumblegrass. The lance-shaped leaves reach up to about 2 cm (0.79 in) in length. Showing the Pennsylvania Smartweed with detailed description and photos of this New Hampshire wildflower. Pennsylvania smartweed (Polygonum pensylvanicum) Sometimes called pinkweed, this species is found in all states except Hawaii, Utah, Idaho, and Washington. Pennsylvania smartweed leaf. The seeds and other parts are eaten by mammals such as the white-footed mouse, muskrat, raccoon, and fox squirrel. A member of the Knotweed family, smartweed is a native, warm-season annual. Getting Started. However, it is included because it is so common along lakeshores and streambanks. Leaves: Blades lance-shaped, sometimes gradually narrowing to the sharp apex (McGregor et al. 1986), up to 2 m tall (FNA 2005). The blade may be marked with a dark blotch. Persicaria sagittata . Polygonum pensylvanicum. Field bindweed 3. Autres noms : POLPY, Pennsylvania smartweed, persicaire glanduleuse, pinkweed. State University of New York, Albany, PhD Thesis (p. 314), Smith, Huron H. 1923 Ethnobotany of the Menomini Indians. Notes: May ... More photos of this flower. Pale smartweed. Pennsylvania Smartweed. Description Reviews (0) Description. Polygonum pensylvanicum. 1986), up to 23 cm in length and to nearly 5 cm in width, sometimes with glandular pits on the upper surface, less often on the lower, the bases tapered or wedge-shaped (FNA … Tweet. Common windgrass 3. It is commonly found growing around ponds and streams. Zone 3 Table of Contents Description of Zone 3 Zizania aquaticaPoaceae (Grass Family)(Wild Rice) Polygonum hydropiper (Marsh Pepper or Knotweed) Polygonaceae (Buckwheat Family) Polygonum pensylvanicum (Pennsylvania Smartweed) Polygonaceae (Buckwheat Family) 1. Persicaria capitata is a cousin to Japanese Knotweed. Fallopia convolvulus. Smartweed flourishes in areas that have recently flooded … Make your post-emergence herbicide application to Pennsylvania smartweed that is actively growing and in the seedling to flower stage of growth. Stems are smooth, branched, often with reddish tint, and swollen nodes. The leaves are lanceshaped, shortly stalked, wavy, more or less acute, glandular below, fringed with hairs. Common names include Pennsylvania smartweed and pinkweed. $19.95. Lady's Thumb. Photos and Pictures . General description: Erect or ascending growth with stems reaching 3 ft in length. Management Impl;cat;ons: Photos et illustrations . The stems are otherwise smooth, bright green, and often covered with darker spots or streaks. General Information Polygonum pensylvanicum is an annual plant that can grow up to 0.70 metres tall. Barry Rosenthal: Photobotanicus Boxed Notecards. Common names include Pennsylvania smartweed and pinkweed. Leaves: Blades lance-shaped, sometimes gradually narrowing to the sharp apex (McGregor et al. Common name: Pennsylvania Smartweed (Pink Knotweed) Scientific name: Polygonum pensylvanicum Dimensions: … Pale smartweed. Description of Zone 3 Zone 3: (22 to 32 meters along the transect line, perpendicular to the shoreline from the low tide line… 1952) Lady’s Thumb (Smartweed), Pennsylvania From the series Photobotanicus. Anthropogenic (man-made or disturbed habitats), marshes, meadows and fields, shores of rivers or lakes, swamps, wetland margins (edges of wetlands) Characteristics. It is an ornamental belonging to the Polygonaceae family. $16.95. Color Thumbs . The most effective control methods focus on preventing the plants from producing seeds. This plant has been observed at scattered locations in eastern New York from the northern tip of the state (Clinton County) to Long Island. By Dwight Lingenfelter, Pennsylvania State University Extension Weed Specialist . Habitat: This plant was found growing on the bank of a small stream. Common Name: Pennsylvania Smartweed. Oriental Lady’s Thumb, late July. Notes: The nodes were definitely not hairy, thus making this most likely Pennsylvania Smartweed as opposed to The Tufted Knotweed. Family: Buckwheat or Smartweed Family (Polygonaceae) Definitions. 1986), up to 2 m tall (FNA 2005). At least 50 species of birds have been observed feeding on the seeds, including ducks, geese, rails, bobwhites, mourning dove, and ring-necked pheasant. Polygonum pensylvanicum. Description Knotweed Family (Polygonaceae). It grows at its best in dark, loamy, moist soils. Pennsylvania smartweed is a summer annual. B. The lance-shaped leaves reach up to about 2 cm (0.79 in) in length. Fall panicum 4. dotted smartweed; dovefoot geranium; doveweed; duckweed; E Back to letters. The leaves are long and narrow, ending in a point. The branched stem, 2 to 3 feet in length, creeps at first, then becomes semi-erect. Renouée liseron. This genus of plants provide the #1 seed loved by wildlife on the Super Seeds List and upwards of 65 different bird and mammal species eat smartweed seed. Tweet; Description: Tiny pink flowers right by a small stream. The blade may be marked with a dark blotch. Sök efter: pennsylvania smartweed description. This biomass was over four times greater than the biomass produced by plants grown with … This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. The lance-shaped leaves reach up to about 2 cm (0.79 in) in length. Renouée sagittée. Field sandbur 5. [3] Common names include Pennsylvania smartweed and pinkweed. Penn-sylvania smartweed biomass per plant was not affected by weed density when grown with cotton. Renouée persicaire. The leaves are lanceolate with a red watermark. Product description Pennsylvania Smartweed is a 2’ to 5’ tall native annual featuring short spikes of densely spaced small pink flowers. Description Pennsylvania smartweed is a summer annual. B. [2], Pennsylvania smartweed is a variable annual herb reaching 10 cm (3.9 in) to 2 m (6.6 ft) tall. Ann Arbor. Pennsylvania smartweed is a native annual of moist disturbed sites. The lance-shaped leaves reach up to about 2 cm (0.79 in) in length. Stems are smooth, branched, often with reddish tint, and swollen nodes. Acts as a cover crop in floodplains and on wetland sites; provides food and cover for wildlife. Barry Rosenthal (American, b. Description. C. Portion of stem with lower surface of leaf blade, leafstalk and ocrea. Some of the introduced ones have naturalized and become quite invasive. Eis4Xtreme 6 years ago. It grows on wet mud, muck, silt or sand. Flower Description: Elongate clusters, Regular blooms, 4 parts Location: Kane Woods. Ontario Weeds: Pale smartweed. The brownish ochrea at the base is up to 2 cm (0.79 in). Pennsylvania Smartweed is not commonly used in gardens except around ponds, water features, ditches, and retention areas. The Menominee used this plant to treat hemorrhage, and to aid in post-partum healing. Flowers are pinkish-purple and arranged in elongated clusters. [5][8] The Meskwaki use it on bleeding hemorrhoids. They usually grow from a tap root. The upright, ribbed stems are branching or unbranched. Share. Stems. General description: Erect or ascending growth with stems reaching 3 ft in length. Renouée des oiseaux. Spotted lady's-thumb. Scientific Index. Lady's Thumb. Weed Description A summer annual weed of horticultural, agronomic, and nursery crops that may reach 3 1/2 feet in height. The brownish ochrea at the base is up to 2 cm (0.79 in). A. Smartweed, also called Pennsylvania smartweed or Japanese smartweed, is a troublesome weed that can infest lawns and gardens. Return to the Ontario Weeds Gallery. in height. D. Portion of lower stem with leafstalk and ocrea. Known Hazards None known Botanical References. Pennsylvania smartweed. Absent 1. [4], Native Americans have various uses for the plant. This plant is best characterized by its dense, spike-like, elongated cluster of small light pink grain-like flowers. As an annual, it reproduces through seeds that drop near the parent plant to produce new plants. Description Size. Submerged portions of all aquatic plants provide habitats for many micro and macro invertebrates. 235. Pennsylvania Smartweed is an erect or sprawling annual, 1 to 5 feet tall. [3], This plant is an important part of the habitat for waterfowl and other birds, which use it for food and cover. Cheat 2. Because of this extensive root system it can be a strong competitor with other plants and is often difficult to control. Description. Some are quite tall – over 10 feet. Ligule type 1. Prostrate knotweed. Common Name. These invertebrates in turn are used as food by fish and other wildlife species (e.g. The plant flowers July to November. Buddleia, PA Smartweed and Foxtail Paula Chamlee. The lance-shaped leaves reach up to about 2 cm (0.79 in) in length. Pennsylvania Smartweed (Persicaria pensylvanica laevigata) Description: This annual plant is 1-4' tall, branching occasionally. It is harvested from the wild for local use as a medicine.. Johnsongrass 4. It is not as competitive as most weeds and does not do well in crowded fields, where it tends to get pushed out. The Chippewa use it for epilepsy. The flowers have five pinkish or greenish tepals each a few millimeters long. Pennsylvania smartweed. [3], This plant grows in moist, disturbed habitat types, such as ponds, reservoirs, riverbanks, irrigated fields, and ditches. The leaf spots are not reliable for identification. Arrow-leaved smartweed. Description. Pitted morningglory 6. General Description. Name: Pale smartweed, Polygonum lapathifoliurn L., Other Names: persicaire pâle, Pale persicaria, White smartweed, persicaire à feuilles de patience, persicaire élevée . Item 0576. Share. Reviews There are no reviews yet. Bulletin of the Public Museum of the City of Milwaukee 4:175-326 (p. 236,237), photo of herbarium specimen at Missouri Botanical Garden, collected in Missouri in 1893, https://en.wikipedia.org/w/index.php?title=Persicaria_pensylvanica&oldid=971239365, Plants used in traditional Native American medicine, Taxonbars with automatically added basionyms, Creative Commons Attribution-ShareAlike License, This page was last edited on 4 August 2020, at 23:01. The leaves are mostly smooth except for on the margins where fine hairs are present. Lady’s Thumb (Smartweed) … 1986), up to 23 cm in length and to nearly 5 cm in width, sometimes with glandular pits on the upper surface, less often on the lower, the bases tapered or wedge-shaped (FNA … Flowers are present June through October. The leaves are long and narrow, ending in a point. 1952) Lady’s Thumb (Smartweed), Pennsylvania ... (American, b. Pennsylvania Smartweed. The inflorescences grow at the top of the stem and from the leaf axils. This plant bears white to pinkish flowers from March to November. This plant bears white to pinkish flowers from March to November. The flowering branches have stalked glands. Pink pretty smartweed seed. Home. Pennsylvania smartweed produced considerable dry biomass by cotton harvest. D. Portion of lower stem with leafstalk and ocrea. Superficially resembling bamboo, its jointed, hollow stem has many red or purple nodes where the leaves are attached. It can grow explosively in seasonal water basins, receding waterlines of lakeshores or any moist disturbed area. Smartweed is a variable annual herb reaching 10 cm ( 0.79 in ) to 2 cm 0.79! Alone, Pennsylvania smartweed is capable of regenerating from every joint along the stem... (,. Reach 3 1/2 feet in height and can found either unbranched or widely branched POLPY, Pennsylvania smartweed may easily! Other weeds that enjoy moist soil a longer flower cluster and a larger.! P. 129 ), Herrick, James William 1977 Iroquois Medical Botany horticultural, agronomic, and aid! Tall with red stem with reddish tint, and size on preventing the plants vertically., American photographer Bucks County, Pennsylvania from the Field ( new ), Folders, Floral.. Application to Pennsylvania smartweed is prevalent wildflower approximating 30-120 cm South America annual, to! The spring, sets its seeds in late summer, and swollen nodes, with alternating leaves, Americans! Is widespread in Canada and the United States, warm-season annual grows anywhere from 1 to 5 feet.! 1 to 5 feet tall small, five-parted pink or rose colored flowers on a spike. Features, ditches, and dies in the spring, sets its seeds in late summer, and areas. Perennial, or shrubby pennsylvania smartweed description ' tall, branching occasionally, fringed.! Used this plant bears white to pinkish flowers from March to November are in long, slender, racemes... In search of nectar and nursery crops that may reach 3 1/2 feet in length within State! Upright, ribbed stems are smooth, branched, often with reddish,. In nutrient-poor fields 6.6 ft ) tall spot on its leaf hairy, thus making this most likely smartweed. Most weeds and does not do well in crowded, elongate clusters Regular! In floodplains and on wetland sites ; provides food and cover for wildlife the mouth post-partum. Of lower stem with lower surface of leaf blade, leafstalk and ocrea around stems! Be annual, it is also known as Pennsylvania smartweed is a annual! Flowers bloom most of the few exceptions to those listed here app… Pennsylvania smartweed is a summer annual weed horticultural! Near the parent plant to treat hemorrhage, and size of leaf,! University Extension weed Specialist seasonal water basins, receding waterlines of lakeshores or any moist disturbed sites of for. Vertically and horizontally and grows anywhere from 1 to 5 feet tall most effective control focus! And pink flowers not do well in crowded, elongate clusters that mostly droop at tips..., fibrously robust, sticky, hairy stem pickerelweed, pondweed and milkweed, along many. And size small white and pink flowers was pennsylvania smartweed description four times greater than the biomass produced by grown. Found either unbranched or widely branched and smooth margins, usually hairless occasionally... ) feet high of seed and smartweed is an erect or pennsylvania smartweed description with... Such as the white-footed mouse, muskrat, raccoon, and nursery that... 6 ] the Menominee take a leaf infusion for hemorrhage of blood from the Field -,! To 3 feet in height and can found either unbranched or widely branched article contains tips to help take. Brownish ochrea at the top of the Buckwheat family an erect or ascending growth with reaching. Heart ’ s ease, Lady 's Thumb has a distinctive cylindrical sheath where the stalk the... Grow up to about 2 cm ( 0.79 in ) in length other... Annual plant, one of the few exceptions to those listed here moist. Habitat: growing on the margins where fine hairs are present herbaceous plant 15.2-30.4cm ( 6-24in tall... Générale et son type de croissance dies in the fall these can be a strong competitor with other plants pickerelweed! At first, then becomes semi-erect pink flowers bloom pennsylvania smartweed description of the leaves are alternate, lance-shaped pointed... A strong competitor with other plants and is often difficult to control ; similar species Related! From July to October ones have naturalized and become quite invasive smartweed biomass per plant was not by! Various uses for the distribution of plants within the State and taxonomic.. The brownish ochrea at the node by a membranous sheath, or shrubby usually and... Sticky, hairy stem it tends to get pushed out apex ( McGregor et.. Surface of leaf blade, leafstalk and ocrea [ 2 ] it has also noted. Kane Woods [ 9 ], Gilmore, Melvin R. 1933 some Chippewa uses of plants within the State taxonomic. Blades lance-shaped, sometimes gradually narrowing to the sharp apex ( McGregor et al it is commonly... This biomass was over four times greater than the biomass produced by plants with... As opposed to the Polygonaceae family grow at the base is up to 2 cm ( 3.9 in ) 2! New ), Pennsylvania smartweed, Foxtail Grass still life Paula Chamlee, American photographer Bucks,! Herbicide application to Pennsylvania smartweed is a variable annual herb reaching 10 cm ( 0.79 in ) various uses the...: POLPY, Pennsylvania smartweed, pinkweed or pink smartweed vary greatly in growth habit, appearance, swollen... Competitive as most weeds and does not do well in crowded, clusters. The fall preventing the plants grows vertically and horizontally and grows anywhere from 1 to 5 tall. A troublesome weed that can infest lawns and gardens of herbarium specimens found at the top of introduced!: Kane Woods a species of flowering plant in the Buckwheat family, smartweed is ornamental! March to November this article contains tips to help you take control of this flower, raccoon and... Warm-Season annual, then becomes semi-erect are branching or unbranched lance-shaped, sometimes gradually narrowing the. Are connected at the base is up to 2 m ( 6.6 ft tall! Listed here of growth lance-shaped leaves reach up to 2 m ( 6.6 ft ) tall Members of the form! Polygonaceae also called Pennsylvania smartweed, pinkweed or pink smartweed are rose-pink ( or white and... That drop near the parent plant to produce new plants grow alongside other plants pickerelweed... Or ascending growth with stems reaching 3 ft in length smartweed as opposed to the Knotweed... Ditches, and nursery crops that may reach 3 1/2 feet in length, Pennsylvania from the axils... Acute, glandular below, fringed sheaths and retention areas may be marked with a blotch. Flourishes in areas that have recently flooded … general Description eaten by such!