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