Flower ID: IMG_8090.JPG-08-03-2023 Flower name (scientific): Eutrochium purpureum (Linnaeus) E. E. Lamont PY: 2004. Pronunciation guide: (phonetic spelling) yoo-TRO-kee-um pur-PUR-ee-um Flower name (common): Green-Stemmed Joe-Pye Weed Family name (common): Aster Family name (scientific): Asteraceae Scientific name origin: Genus: From the Greek words eu for well, fine, truly, and trochos, for a wheel, a round ball, hence truly wheel-like, for the appearence of the whorled leaves. Specific epithet: From the Latin for purple. Common name origin: From the appearance of the stem. Joe Pye was supposedly an Indian who cured typhus fever in New England by means of this plant, but that account is probably false, see (Speck and Dodge, 1945). Origin unknown. Flower description: Size: 0.2 to 0.3 inches (5 to 8 mm) long Petal count: 5 There are no ray florets and typically 5 to 7 disk florets, with a range of 4 to 8 disk florets. Color: pink or purple Other: flower arrangement, Cluster-flat Plant description: Size: 48 to 72 inches (1.2 to 1.8 m) Stem hairy: Other: Leaf description: attachment is whorl, type is simple Size: Color: Hairy: Other: Shape: leaf, lance-ovate or ovate to deltate-ovate (FNA), broadly lanceolate or ovate (IL), narrowly ovate to ovate, elliptic-ovate, or triangular-ovate (MP) Origin (native, introduced, invasive): Native Status (common, uncommon, threatened, rare): Common Bloom time (typical): August to September Cycle (annual, biennial, perennial): Perennial Habitat: Woodlands, thickets, meadows, prairies, savannas, streambanks, dry to moist, semi shade to sun. Fruit: Seed: Importance to wildlife: Similar species (if any): Eutrochium maculatum (Spotted Joe Pye Weed) is fairly similar to Eutrochium purpureum. A key characteristic to differentiate these two species is the appearance of the stem: Eutrochium maculatum has purple spots or patches along the stem, whereas Eutrochium purpureum has a green stem without purple spots, though there are usually small purple patches at the leaf and stem nodes. The number of disk florets can aid in separating the two species: Eutrochium maculatum has typically 9 to 20 disk florets, whereas Eutrochium purpureum has usually 5 to 7 disk florets. Ethnobotany: The Menominee employed this plant to treat urinary track issues (Smith, p. 30, 1923). The Chippewa utilized the plant to treat miscarriage issues, and as a cure for colds (Gilmore, p. 142, 1933). The plant name Eupatorium purpureum was used by Smith and Gilmore in the previous two references. Latitude: Longitude: Altitude: Distribution: In Wisconsin: (Adams, Ashland, Brown, Columbia, Crawford, Dane, Dodge, Douglas, Dunn, Forest, Grant, Green, Iowa, Jefferson, Kenosha, La Crosse, Lafayette, Manitowoc, Menominee, Milwaukee, Monroe, Outagamie, Ozaukee, Pierce, Polk, Portage, Racine, Richland, Rock, Sauk, Sawyer, Sheboygan, St. Croix, Vernon, Vilas, Walworth, Washington, Waukesha, Wood) Click here for distribution map In US: (AL, AR, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NE, NH, NJ, NY, OH, OK, PA, RI, SC, TN, VA, VT, WI, WV) Click here for distribution map In Canada: (ON) Click here for distribution map References: Synonym(s): Basionym: Eupatorium purpureum Linnaeus Sp. Pl. 2: 838 (1753). Homotypic Synonym(s): Heterotypic Synonym(s): Autonym:Eutrochium purpureum var. purpureum (The other infraspecifics are Eutrochium purpureum var. carolinianum Sorrie, Eutrochium purpureum var. holzingeri (Rydberg) E. E. Lamont. Both of these varieties occur in the US.) Wetland Status (NC): FAC Wetland Status (MW): FAC