cirsium discolor identification

The easiest way to identify Field Thistle is by its leaves, which are up to 9 inches long and 3 inches wide, with several narrow lobes that have spiny edges and tips. So they do not spread by roots but there may be a large seed bank to contend with. Flower head is 1½ to 2 inches across, pink to lavender, or occasionally white. See Terms of Use and Privacy Policy. It is now early July and no flowers have shown up yet so I have its blooming to look forward to also. The easiest way to identify Field Thistle is by its leaves, which are up to 9 inches long and 3 inches wide, with several narrow lobes that have spiny edges and tips. is shown on the map. 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. Pages in category "Cirsium discolor" This category contains only the following page. Go Botany: Native Plant Trust Western herbal medicine used the root as a tonic and astringent. Web design and content copyright © 2006-2020 MinnesotaWildflowers.info. And today, I found a plant in bud growing in an old field behind my house. ex Willd. Note: All comments are moderated before posting to keep the riff-raff out. those considered historical (not seen in 20 years). Spreng.) ex Comparing the floral heads of the three most prominent thistles in our area should help with identification: The relative sizes of the thistle heads can be of some help, #1 the canadian thistle ( Cirsium arvense ) has heads between 1 and 2cm tall. I already thought that this thistle looked cool and was inclined to leave it be and knowing now that it is native I'm even more inclined to just let it grow. Looking for a native thistle that can live on an intensive green roof (ie soil 6-10" deep), if one exists. Comparing the floral heads of the three most prominent thistles in our area should help with identification: The relative sizes of the thistle heads can be of some help, #1 the canadian thistle ( Cirsium arvense ) has heads between 1 and 2cm tall. #2 the field thistle ( Cirsium discolor ) is about twice as large and #3 the bull thistle ( Cirsium vulgare ) is two to three times as large. Cirsium hillii is normally low and squat, with very large deep-colored heads besides, and hence one of the most attractive species. Nursery Availability Cirsium discolor is widespread in eastern North America from the prairies of southeastern Saskatchewan, western Minnesota, and Iowa south to northern Louisiana and east across southern Canada to the New England states and the southern Appalachians. Related Plants. Also covers state. For details, please check with your state. Q Tessa • June 24 How deep is the root structure of cirsium discolor? Carduus discolor (Muhl. According to Petrak (1917), however, natural hybridization among European thistles has been Botanical Name: Cirsium discolor. Looking for a native thistle that can live on an intensive green roof (ie soil 6-10" deep), if one exists. RI, For info on subjects other than plant identification (gardening, invasive species control, edible plants, etc. Cirsium discolor hort. Cirsium arvense is a perennial species of flowering plant in the family Asteraceae, native throughout Europe and western Asia, northern Africa and widely introduced elsewhere. Your email address: (required) Pasture thistle (Cirsium discolor) is a native plant that’s quite aggressive. Cirsium discolor, the field thistle, is a North American species of plants in the thistle tribe, within the sunflower family.It is native to thirty-three states in the United States as well four Canadian provinces. Nutt. Cirsium discolor. The tallest C. pitcheri seen was 1.6 m high, but most individuals are shorter. Tall thistle (Cirsium altissimum) Soft thistle (Cirsium carolinianum) Field thistle (Cirsium discolor) Yellow thistle (Cirsium horridulum) Swamp thistle (Cirsium muticum) Nuttall’s thistle (Cirsium nuttallii) Pasture thistle (Cirsium pumilum) Coastal-plain thistle (Cirsium repandum) Virginia thistle (Cirsium virginianum) Form: wildflower. Cirsium discolor. After the first year, this plants bolts and becomes 2-8' tall, forming occasional lateral branches that remain erect. a sighting. Field Thistle ( Cirsium discolor (Muhl. Identification . The website also provides access to a database and images of plants photos and herbarium specimens found at … Discussion. Name . Also covers those considered historical (not seen Non-native: introduced Not 100% positive on that one's id but in a week or so it should be in flower. There are no related plants for species Cirsium discolor. It was there long before the old RR grade was turned into a trail. Dense blazing star (Liatris spicata) is a wonderful addition to the moist garden. Cirsium is a genus of flowering plants in the family Asteraceae.It is one of many genera with the common name being thistles.Other genera known as thistles include Carduus, Cynara, Onopordon, and Silybum.. (Wetland indicator code: Family: Asteraceae (ass-ter-AY-see-ee) Genus: Cirsium (SIR-see-um) Species: discolor (DIS-kol-or) Synonym: Carduus discolor: Synonym: Cnicus discolor: One vendor has this plant for sale. Don't knock it. It is also commonly known as Canada thistle and field thistle.. A Large Image of Cirsium discolor (field thistle) from the USDA PLANTS database populations both exist in a county, only native status (intentionally or Scientific Name: Cirsium discolor Common Name: Field thistle Origin: Native Notes: Designated a "Primary Noxious Weed" by Iowa weed law. 3.  Kingdom Plantae > Division Tracheophyta > Class Magnoliopsida > Order Asterales > Family Asteraceae > Genus Cirsium . 2 members have or want this plant for trade. Meiosis in first-generation hybrids between C. discolor and C. muticum is usually irregular (Bloom) and most pollen grains are infertile (Ownbey 1951b; Bloom). Cirsium flodmanii: leaf blades usually thinly tomentose on the adaxial surface, stem uniforny and persistently tomentose, and pappus bristles 20-30 mm long (vs. C. discolor, with leaf blades glabrate or sparsely villous on the adaxial surface, stems glabrate or with some tomentum near the apex, and pappus bristles 18-25 mm long). The Go Botany project is supported Found this plant? Natives in Virginia typically do not have spines on the stem. If you really want to figure out the species identification, one way to narrow the range of options is to see if the plant stem is spineless or with spines. Your help is appreciated. View gallery. They are distinctly white on the underside from a mat of fine hairs. to exist in the county by The Cree, Iroquois and Meskwaki Indians all used this plant for medicinal purposes. A biennial (sometimes perennial) plant with a strong taproot system. Other photos courtesy Peter M. Dziuk. Funding provided by the Minnesota Environment and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources. The flower heads are light pink to lavender (rarely white), 1 ½ to 2 inches across, and CT, MA, ME, Several to many flower heads branch off the main stem in the upper part of the plant. Thanks. N. field thistle. All Characteristics, alternate: there is one leaf per node along the stem, basal: the leaves are growing only at the base of the plant, the edge of the leaf blade has lobes, or it has both teeth and lobes, the edge of the leaf blade has no teeth or lobes, the main bracts are lanceolate (widest above the base, then taper narrowly towards the tip), the projections from the bract tips are simple, but may be a different color than the bract, the bracts are pressed against the plant, or spreading out at the tips, the tips of the bracts curve outwards and downwards from the plant, each flowering stem has four or more flower heads on it, each flowering stem has only one to three flower heads on it, the disk is flat or nearly flat across the top, the flower heads grow in clusters from the axils of the branches or leaves, the inflorescence is flat-topped in profile, the inflorescence is not flat-topped but appears rounded, with some flower heads distinctly higher than others, the plant is biennial, it appears as either first year (non-reproductive) plants or second year plants with flowers or fruit, the plant is perennial, it shows evidence of previous year's leaves, stems or stem bases, there are only slender roots on the plant, there is a thickened taproot on the plant, the leaf has no petiole and at the base it clasps the stem, or goes all the way around the stem so the stem appears to pierce the leaf, the leaf blade is elliptic (widest near the middle and tapering at both ends), the leaf blade is lanceolate (lance-shaped; widest below the middle and tapering at both ends), the leaf blade is linear (very narrow with more or less parallel sides), the leaf blade is oblanceolate (lance-shaped, but with the widest point above the middle of the leaf blade), the leaf blade is ovate (widest below the middle and broadly tapering at both ends), the tip of the leaf blade is acuminate (tapers to a long, thin point), the tip of the leaf blade is acute (sharply pointed), the hairs point mostly upwards to outwards, the hairs on the stem are plain, without glands or branches, and not tangled. Purple flowers, 7 feet tall. The flower heads are light pink to lavender (rarely white), 1 ½ to 2 inches across, and Pick an image for a larger view. Homonyms . Name: Field Thistle. Be warned. State documented: documented Check Google Images for Cirsium discolor: The photographer's identification Cirsium discolor has not been reviewed. ex Willd.) It hybridizes with both C. altissimum (discussed thereunder) and C. muticum (G. B. Ownbey 1951b, 1964; W. L. Bloom 1977). Poir. Its upright stem is usually hairy and branched on the upper third. ... (Circium discolor) is a tall species, shown on the right side of photo. We depend on Helen, most thistles are biennial, not perennial, emerging from seed every 2 years (the invasive Canada thistle is the exception). NH, A Prairie Moon • June 26 This plant, or other native Thistles, would probably not be the best candidate for a … … Dense blazing star (Liatris spicata) is a wonderful addition to the moist garden. Citation: Guenther, K. (2017, January 12) Field thistle as wildlife food [Web log post.] It has a pink (occasionally white) inflorescence, composed of many narrow, tube-shaped flowers billowing out from a narrow base. donations to help keep this site free and up to date for • In older manuals and guides, this family is called the Compositae because the 'flowers' are a composite of many flowers, often of different types. Native Americans used the roots to make poultices for treating wounds and boils. The presence of a small number of viable cypselae in heads of putative F1 hybrids (Ownbey 1951b) … The bracts are flat, green with a white stripe and resemble fish scales. in 20 years). Field Thistle, Cirsium discolor, is one of those common plants that almost everyone knows. Cirsium hillii is normally low and squat, with very large deep-colored heads besides, and hence one of the most attractive species. Cirsium altissimum: Native Plant Trust or respective copyright holders. By David Taylor. The stem, root and leaves can be eaten cooked or raw, but make sure you take the time to remove the spines. Field thistle is a member of the Asteraceae, the Sunflower family. For further exploring for "cirsium discolor" in Webster Dictionary Online Field Thistle: Edible & Medicinal. evidence (herbarium specimen, photograph). Cirsium discolor Aster family (Asteraceae) Description: This biennial or short-lived perennial plant initially forms a low rosette of spiny basal leaves up to 1' across. While most references give a height of Field Thistle up to 7 feet, we've seen plants rather taller. Serratula discolor (Muhl. Form: wildflower. Field Thistle most closely resembles Tall Thistle (Cirsium altissimum), which also has soft needle-like spines on the floral bracts, hairy stems and white on the underside of leaves. Cirsium discolor, or field thistle, is frequently found on human-disturbed sites such as agricultural fields and roadsides. Cnicus discolor Muhl. Comment (max 1000 characters): Note: Comments or information about plants outside of Minnesota and neighboring states may not be posted because I’d like to keep the focus of this web site centered on Minnesota.

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