Flower ID: IMG_3181.JPG-09-01-2019 Flower name (scientific): Bidens frondosa Linnaeus PY: 1753. Pronunciation guide: (phonetic spelling) BI-denz frond-OH-suh Flower name (common): Devil's Beggarticks Family name (common): Aster Family name (scientific): Asteraceae Scientific name origin: Genus: From the Latin bis for two and dens a tooth, hence two teeth. Referencing the bristles (two-awned) on the achene (dry one-seeded fruit). Specific epithet: From the Latin for leafy, referring to leafy-like appearance of the outer bracts. Common name origin: Probably refers to the two barbed awns of the achene, which supposely resemble a devil with horns. Beggarticks is a common name applied to more than one of the Bidens species. The name beggarticks probably alludes to the irritant weedy nature of the plants and the clinging character of the achenes, attributes appropriate to a beggar. Flower description: Size: 0.3 to 0.8 inches (0.8 to 2.0 cm) Petal count: 0 ray florets or sometimes 1 to 3 or more; disc florets typically 20 to 60. Color: yellow Other: flower arrangement, Solitary Plant description: Size: 8 to 48 inches (20 to 122 cm) Stem hairy: Other: Leaf description: attachment is opposite, type is compound Size: Leaves are typically 3 to 8 cm long and typically 2 to 6 cm wide, but may reach up to 15 cm long and 10 cm wide. Individual leaflets are typically 3.5 to 8 cm long and 1 to 2 cm wide. Color: Hairy: Other: Shape: leaf, 3-foliolate or 5-foliolate, leaflet, lanceolate to lance-ovate (FNA) Origin (native, introduced, invasive): Native Status (common, uncommon, threatened, rare): Common Bloom time (typical): July to October Cycle (annual, biennial, perennial): Annual Habitat: Wet soils, streambanks, swamps, marshes, ponds, shores, sun or part shade. Fruit: Seed: Importance to wildlife: Similar species (if any): Some of the Bidens are similar to each other. Flower head size, number of awns on the seed, number of bracts, presence or absence of ray florets, and leaf differences can help ID the seperate species. Some data for Bidens species: B. cernua flower head 25 - 51 mm, 4 awns commonly (2 - 4); B. connata flower 6 - 13 mm, 2 - 4 awns; B. discoidea flower 3 - 8 mm, 2 awns; B. frondosa flower 19 mm, 2 awns; B. trichosperma flower 38 - 51 mm, 2 awns; B. tripartita flower 13 - 19 mm, 3 awns; B. vulgata flower 25 mm, 2 awns. Species B. beckii is aquatic, species B. aristosa is uncommon in Wisconsin, and species B. pilosa can be identified by its white to pinkish ray florets. Ethnobotany: Latitude: 44.800020 Longitude: -91.507552 Altitude: 233.40 Distribution: In Wisconsin: (Adams, Ashland, Barron, Bayfield, Brown, Buffalo, Burnett, Calumet, Chippewa, Clark, Columbia, Crawford, Dane, Dodge, Door, Douglas, Dunn, Eau Claire, Florence, Fond du Lac, Forest, Grant, Green, Green Lake, Iowa, Iron, Jackson, Jefferson, Juneau, Kenosha, Kewaunee, La Crosse, Lafayette, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Pierce, Polk, Portage, Price, Racine, Richland, Rock, Rusk, Sauk, Sawyer, Shawano, Sheboygan, St. Croix, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Washington, Waukesha, Waupaca, Waushara, Winnebago, Wood) Click here for distribution map In US: (AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY) In Canada: (AB, BC, MB, NB, NF, NS, ON, PE, QC, SK) References: Synonym(s): Bidens frondosa var. anomala Porter ex Fernald, Bidens frondosa f. anomala (Porter ex Fernald) Fernald, Bidens frondosa var. caudata Sherff, Bidens frondosa var. major Hook., Bidens frondosa var. minor Hook., Bidens frondosa var. pallida (Wiegand) Wiegand, Bidens frondosa var. stenodonta Fernald & H.St.John, Bidens melanocarpa Wiegand, Bidens melanocarpa var. pallida Wiegand Basionym: na Homotypic Synonym(s): Heterotypic Synonym(s): Autonym: na