Date: 7/11/2009. Eastern Canada, west to Ontario; throughout most of the eastern United States and the Great Plains, extending west to MT, UT, and CA, including AK (absent in PNW) (FNA 2005). Pennsylvania Smartweed may be easily confused with: Lady's Thumb. B. Date : 8/11/2013 ... More photos of this flower. It is commonly found growing around ponds and streams. Weed Science Group 105 Plant Science Building Lexington, KY 40546-0312 The stems are smooth, reddish purple with swollen nodes, with alternating leaves. Product description Pennsylvania Smartweed is a 2’ to 5’ tall native annual featuring short spikes of densely spaced small pink flowers. Pennsylvania smartweed is an annual plant, one of the few exceptions to those listed here. It is known to be an excellent bee plant. Description: Some may also refer to this very common weed as “Smartweed.” The leaves are distinctly pigmented in the centers. Also, Pennsylvania smartweed (Polygonum pensylvanicum), crabgrass (Digirtaria spp. Description Smartweeds are perennial plants that forms dense colonies in shallow water or moist soils and can grow to 3 feet tall. 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 (Polygonum pensylvanicum) Sometimes called pinkweed, this species is found in all states except Hawaii, Utah, Idaho, and Washington. General Description: Pennsylvania smartweed is prevalent wildflower approximating 30-120 cm. The lance-shaped leaves reach up to about 2 cm (0.79 in) in length. Leaf nodes are covered in papery, fringed sheaths. C. Risks. Family Polygonaceae Also Called Heart's Ease, Lady's Thumb. Common Name: Pennsylvania Smartweed. Pennsylvania smartweed is a summer annual. Pennsylvania Smartweed. Lady's Thumb. Pale smartweed. The alternate leaves have sheaths extending around the stems. Pennsylvania smartweed is a native annual of moist disturbed sites. Join us! The leaves are long and narrow, ending in a point. Pennsylvania smartweed is a variable annual herb reaching 10 cm (3.9 in) to 2 m (6.6 ft) tall. The stem is jointed and a sheath extends up the stem from the joint enclosing the stem for a short distance. Be the first to review “From the Field – Buddleia, PA Smartweed, Foxtail Grass” Cancel reply. 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. Not for the casual reader. No Image. Description Reviews (0) Description. Reviews There are no reviews yet. See the glossary for icon descriptions. Family: Buckwheat or Smartweed Family (Polygonaceae) General Description: Native to North America and very similar to Pale smartweed in general shape and habit of growth. Family: Buckwheat or Smartweed Family (Polygonaceae) 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. Flower: One or two spike-like racemes at the top of the stem, each 2 to 4 inches long. 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. It grows at its best in dark, loamy, moist soils. Another difference is the size of the seeds: Pale Smartweed has seeds up to 2 mm. This dark green, triangle-shaped splotch was at one time thought to resemble a lady’s thumbprint; Leaves alternate, opposite, 2-6″ (5-15 cm) long and narrowly or broadly lanceolate, with a fringe of hairs along the cylindrical sheath located at each leaf base. Flower description the flower has a superior ovary, and lacks a hypanthium Flower orientation … Pennsylvania smartweed is a variable annual herb reaching 10 cm (3.9 in) to 2 m (6.6 ft) tall. Japanese knotweed (Fallopia japonica) is an invasive perennial and noxious weed in PA. The upright, ribbed stems are branching or unbranched. This plant bears white to pinkish flowers from March to November. This plant is usually found in … 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. In Montana, Pennsylvania Smartweed was collected once from a garden in Fallon County (Lesica 2012). Description of Zone 3 Zone 3: (22 to 32 meters along the transect line, perpendicular to the shoreline from the low tide line… Pennsylvania smartweed Persicaria pensylvanicum L.. Family: Polygonaceae (Smartweed family) Life cycle: Annual Native status: Native to North America Habitat: Crop fields, horticultural areas General description: Erect or ascending growth with stems reaching 3 ft in length.Stems are smooth, branched, often with reddish tint, and swollen nodes. emersum) is called pinkweed, water smartweed, heart’s ease, and tannin plant. The lance-shaped leaves reach up to about 2 cm (0.79 in) in length. Pennsylvania Smartweed Polygonum persicara. Another common name for Pale Smartweed is Heart's Ease, and Polygonum lapathifolium is another scientific name for this species. Description Perrenial herbaceous plant 15.2-30.4cm (6-24in) tall with red stem. It is an ornamental belonging to the Polygonaceae family. In North America, Pink Knotweed is also known as Pennsylvania smartweed, a member of the Buckwheat family. The upright, ribbed stems are branching or unbranched. in height. Water-willow (Justicia americana) – Smartweed Riverbed Community System: Palustrine Subsystem: Herbaceous PA Ecological Group(s): River Floodplain Global Rank: G4G5 State Rank: S4 General Description This community is found throughout Pennsylvania along … Japanese knotweed (Polygonum cuspidatum), Black bindweed (Polygonum convolvulus), Prostrate knotweed (Polygonum aviculare) have all cause livestock deaths as a green forage, possibly unrelated to nitrate poisoning.. Narrow the list by choosing characteristics that match your unknown plant or search for plants by name. Detailed Information. The brownish ochrea at … Photos and Pictures. Notes: May have 4 to 6 rays. Weeds commonly submitted to the Virginia Weed Identification Clinic appear in the list of weeds. It grows 2 to 4(6) feet high. Description Knotweed Family (Polygonaceae). A. The blade may be marked with a dark blotch. Description. The flowering branches have stalked glands. Buddleia, PA Smartweed and Foxtail Paula Chamlee. The round stems are hairless and somewhat broader where the ocreae occur. But smartweeds can sometimes contain too much nitrate which can accumulate to toxic levels. Dotted Smartweed Persicaria punctata Knotweed family (Polygonaceae) Description: This plant is an annual or short-lived perennial that is 1-2½' tall, branching occasionally and rather erect in habit. The stems have a reddish color and swollen nodes. It is also commonly named Pennsylvania smartweed, pinkweed or pink smartweed. across, while Pennsylvania Smartweed has seeds that are more than 2 mm. Value Class Food Cover; High: Average 25-50% of diet: Flower Description: Elongate clusters, Regular blooms, 4 parts Location: Kane Woods. From our photo gallery: Pennsylvania Smartweed (Polygonum pensylvanicum L.), from Kane Woods. A champion tree represents the laregest of each species of tree stream Tree Identification Field Guide. The flowers of Pennsylvania smartweed … Habitat: Growing on the edge of a small woodland pond. The growth habit is erect with multiple branching. Description. Emerged no-till ... Below are brief descriptions of selected herbicides that can be applied post in ... lambsquaters, smartweed, and velvetleaf). Various species in genus to include swamp smartweed, water smartweed, pink smartweed, water pepper, Pennsylvania smartweed, stout smartweed. Plant Type: This is a herbaceous plant, it is a annual which can reach 122cm in height (48inches). One particular variety (Polygonum amphibium var. Pennsylvania Soybeans: Post Herbicide Options, Application Restrictions. (P. Lesica's contribution adapted from Lesica 2012. Lady's thumb has a distinctive triangular dark spot on its leaf. ]. Description Very comprehensive but terse guide to the native uses of plants. Description. The bases of the leaves form a distinctive cylindrical sheath where the stalk joins the stem. It grows on wet mud, muck, silt or sand. Polygonum pensylvanicum. Description. This article will assist with identification and provides recommendations for control, including a management calendar and treatment and timing table. Split page, species info on the left, room for notes on the right. However, it is included because it is so common along lakeshores and streambanks. A member of the Knotweed family, smartweed is a native, warm-season annual. Pennsylvania smartweed is an annual herb that has small, five-parted pink or rose colored flowers on a short spike. The blade may be marked with a dark blotch. Crabgrass and nimblewill have stalky stems and branching seed heads. Flower Description: Elongate clusters, Regular blooms, 4 parts Location: Allegheny River Trail. across. Description. DESCRIPTION: NAME: Pinkweed OTHER COMMON NAMES: Smartweed / Pennsylvania Smartweed / Pink Knotweed SCIENTIFIC NAME: Polygonum Pensylvanicum syn. Smartweed has a pink calyx and glossy black nutlets. ), and nimblewill (Muhlenbergia schreberi) may be confused with stiltgrass. Pennsylvania Smartweed (Polygonum pensylvanicum) Pennsylvania Smartweed is also known as Pink Knotweed and Pinkweed. Swamp Smartweed. The leaves are lanceolate with a red watermark. Description. Flowers are pinkish-purple and arranged in elongated clusters. Description of Values. The plants grows vertically and horizontally and grows anywhere from 1 to 5 feet. Persicaria capitata is a cousin to Japanese Knotweed. 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