Flower ID: IMG_1022.JPG-07-07-2017 Flower name (scientific): Galinsoga quadriradiata Ruiz & Pavón PY: 1798. Pronunciation guide: (phonetic spelling) gal-in-SOH-guh kwad-re-rad-ee-AH-tuh Flower name (common): Quickweed Family name (common): Aster (Daisy) Family name (scientific): Asteraceae Scientific name origin: Genus: Named in honor of Ignacio Mariano Martinez de Galinsoga (1756 – 1797), founder and director of the Real Jardín Botánico de Madrid, and physician to the Spanish Queen consort Maria Luisa of Parma. Specific epithet: From quadri for four, and radiatus for bearing rays or ray florets, hence four-rayed. Common name origin: The plant matures quickly and produces seeds rapidly, allowing it to spread with speed in various habitats. Flower description: Size: 0.2 to 0.5 inches (0.5 to 1.3 cm) Petal count: 5 ray florets is typical, 4 to 8 possible; disc florets 15 to 35. Color: White (with a yellow center) is common, pink or redish ray florets are atypical. Other: flower arrangement, Panicle Plant description: Erect Size: 8 to 28 inches (20 to 71 cm) Stem hairy: Other: Leaf description: attachment is opposite, type is simple Size: Leaves up to about 7 cm long and up to about 5 to 6 cm wide. Color: Hairy: Other: Shape: leaf, lanceolate to oval-ovate (IL) Origin (native, introduced, invasive): Introduced, naturalized Status (common, uncommon, threatened, rare): Common Bloom time (typical): June to October Cycle (annual, biennial, perennial): Annual Habitat: Roadsides, disturbed areas, part shade or sun. Fruit: Seed: Importance to wildlife: Similar species (if any): Galinsoga parviflora (Small-flowered Galinsoga) is similar. G. quadriradiata is more hairy and has larger ray florets (0.9 - 2.5 × 0.9 - 2 mm versus 0.5 - 1.8 × 0.7 - 1.5 mm) than G. parviflora. There are very few reports of G. parviflora in Wisconsin, with available observations from the southern part of the state. Ethnobotany: Latitude: Longitude: Altitude: Distribution: In Wisconsin: (Adams, Bayfield, Brown, Buffalo, Calumet, Chippewa, Columbia, Crawford, Dane, Dodge, Door, Douglas, Eau Claire, Florence, Fond du Lac, Grant, Green, Iowa, Jackson, Jefferson, Kenosha, Kewaunee, La Crosse, Lafayette, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Oconto, Outagamie, Ozaukee, Pierce, Polk, Portage, Racine, Richland, Rock, Sauk, Sawyer, Shawano, Sheboygan, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washington, Waukesha, Waushara, Wood) Click here for distribution map In US: (AL, AR, CA, CO, CT, DC, DE, FL, GA, HI, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MT, NC, ND, NE, NH, NJ, NY, OH, OK, OR, PA, RI, SC, SD, TN, VA, VT, WA, WI, WV, WY) In Canada: (AB, BC, MB, NB, NF, NS, ON, PE, QC, SK) References: Synonym(s): Basionym: na Homotypic Synonym(s): Heterotypic Synonym(s): Autonym: na