Flower ID: IMG_2297.JPG-07-14-2019 Flower name (scientific): Matricaria discoidea de Candolle PY: 1837. Pronunciation guide: (phonetic spelling) mah-trih-KAIR-ree-ah dis-coid-EE-ah (or dis-ko-ID-ee-a) Flower name (common): Pineapple-weed Family name (common): Aster Family name (scientific): Asteraceae Scientific name origin: Genus: From the Latin matrix, and refers to the medicinal use of the plant for uterine problems. Specific epithet: Latin for discoid, consisting only of a disc, with no ray florets. Common name origin: From the weedy nature of the plant and the pineapple scent obtained from the crushed leaves and flower heads. Flower description: Size: 0.2 to 0.4 inches (0.5 to 1.0 cm) Petal count: 0, there are no ray florets and numerous disc florets, 125 to 535+. Color: yellow Other: flower arrangement, None Plant description: Size: 3 to 18 inches (8 to 46 cm) Stem hairy: Other: Leaf description: attachment is alternate, type is compound Size: Color: Hairy: Other: Shape: leaf, pinnate, 2-pinnate, 3-pinnate (FW), leaflet, linear. Shape: leaf, pinnate, 2-pinnate, 3-pinnate (FW), leaflet, linear Origin (native, introduced, invasive): Introduced Status (common, uncommon, threatened, rare): Common Bloom time (typical): May to September Cycle (annual, biennial, perennial): Annual Habitat: Fields, disturbed areas, waste areas, roadsides, sun or semi-shade, dry. Fruit: Seed: Importance to wildlife: Similar species (if any): No close lookalikes. Ethnobotany: No recorded uses by tribes from Wisconsin. At least fourteen Native American tribes have used this plant for a variety of ailments including stomach pains, diarrhea, convulsions, fever, and others. Several tribes used the plant as a food source and as a preservative (Moerman, p. 337, 1998). Latitude: Longitude: Altitude: 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, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Portage, Price, Racine, Richland, Rock, Rusk, Sauk, Sawyer, Shawano, Sheboygan, St. Croix, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Washington, Waupaca, Waukesha, Waushara, Winnebago, Wood) Click here for distribution map In US: (AK, AR, AZ, CA, CO, CT, DE, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY) Click here for distribution map In Canada: (AB, BC, LB, MB, NB, NF, NS, NT, ON, PE, QC, SK, YT) Click here for distribution map References: Synonym(s): Basionym: na Homotypic Synonym(s): Heterotypic Synonym(s): Autonym: na Wetland Status (NC): FACU Wetland Status (MW): FACU