Flower ID: IMG_5863.JPG-05-30-2023 Flower name (scientific): Chelidonium majus Linnaeus PY: 1753. Pronunciation guide: (phonetic spelling) kel-ih-DOH-nee-um MAY-jus Flower name (common): Celandine Family name (common): Poppy Family name (scientific): Papaveraceae Scientific name origin: Genus: From the Greek cheilidon meaning swallow. One suggestion is that the flowers bloom at the time of the swallow's migratory arrival. Another suggestion, from folklore reported by Aristotle and others, that the sap of the plant was used by mother swallows to treat the eyes of their young. Specific epithet: Latin for larger, greater, or bigger. Common name origin: From Latin chelidonia and taken from the Greek for swallow. Flower description: Size: 0.5 to 0.8 inches (1.3 to 2.0 cm) Petal count: 4 typically, also 5 Color: yellow Other: flower arrangement, Cluster-flat Plant description: Size: 12 to 32 inches (30 to 81 cm) Stem hairy: Other: Leaf description: attachment is alternate, type is compound Size: Color: Hairy: Other: Shape: leaf, pinnate-pinnatifid or bipinnatifid, leaflets (typically 5 and up to 9) ovate or obovate (IL) Origin (native, introduced, invasive): Introduced, invasive/Restricted in Wisconsin Status (common, uncommon, threatened, rare): Common Bloom time (typical): May to August Cycle (annual, biennial, perennial): Biennial/Perennial Habitat: Woods, fields, thickets, roadsides, waste areas, moist to dry, semi shade to shade. Fruit: Seed: Importance to wildlife: Similar species (if any): Stylophorum diphyllum (Celandine Poppy) has a similar appearance to Chelidonium majus, but the former species has not been reported from Wisconsin, Minnesota or Iowa, but has been observed in Illinois and more southern and eastern states. Ethnobotany: No recorded uses by tribes from Wisconsin. The Iroquois used the plant as a veterinary aid for pigs (Moerman, p. 154, 1998). Latitude: 44.729553 Longitude: -91.911965 Altitude: 261.80 Distribution: In Wisconsin: (Barron, Columbia, Dane, Door, Dunn, Fond du Lac, Grant, Green, Jackson, Lafayette, Milwaukee, Outagamie, Ozaukee, Richland, Sauk, Sheboygan, Vernon, Walworth, Washington, Waukesha, Waupaca) Click here for distribution map In US: (CT, DC, DE, GA, IA, IL, IN, KY, MA, MD, ME, MI, MN, MO, MT, NC, NE, NH, NJ, NY, OH, PA, RI, TN, UT, VA, VT, WA, WI, WV) Click here for distribution map In Canada: (BC, MB, NB, NS, ON, PE, QC) Click here for distribution map References: Synonym(s): Basionym: na Homotypic Synonym(s): Heterotypic Synonym(s): Autonym:Chelidonium majus subsp. majus (The other infraspecific is Chelidonium majus subsp. grandiflorum (de Candolle) Printz which has not been recorded from North America.) Wetland Status (NC): UPL Wetland Status (MW): UPL