Flower ID: IMG_0360.JPG-05-14-2022 Flower name (scientific): Descurainia pinnata (Walter) Britton PY: 1894. Pronunciation guide: (phonetic spelling) des-kur-AY-nee-a (or des-kr-AY-nee-uh) pin-AY-ta (or pih-NAY-tuh) Flower name (common): Tansy Mustard Family name (common): Mustard Family name (scientific): Brassicaceae Scientific name origin: Genus: Named for for François Descurain (1658 – 1740), French botanist and herbalist. Specific epithet: Featherlike, pinnate, referring to the leaves. Common name origin: Tansy is from Old French for a herb, with a possible reference to the long bloom period of the flowers. Also having a resemblance to the mustard plants. Flower description: Size: 0.1 to 0.2 inches (3 to 5 mm) Petal count: 4 Color: yellow Other: flower arrangement, Cluster-flat Plant description: Size: 8 to 28 inches (20 to 71 cm) Stem hairy: Other: Leaf description: attachment is alternate, type is compound and lobed Size: Color: Hairy: Other: Shape: leaf, basal, 1-pinnate or 2-pinnate, in outline ovate or oblong to oblanceolate (FNA), leaflets toothed and oblanceolate to linear (MB). Origin (native, introduced, invasive): Native Status (common, uncommon, threatened, rare): Uncommon Bloom time (typical): May to July Cycle (annual, biennial, perennial): Annual/Biennial Habitat: Disturbed areas, roadsides, forest openings, fields, prairies, sandy or rocky soil, dry, sun. Fruit: Seed: Importance to wildlife: Similar species (if any): Ethnobotany: No recorded uses by tribes from Wisconsin. The Cahuilla used the seeds of the plant for stomach issues. The Navajo employed the plant to treat toothaches. At least seven tribes used the plant, mostly the seeds, as a food source (Moerman, p. 197, 1998). Latitude: 44.795063 Longitude: -91.503133 Altitude: 283.60 Distribution: In Wisconsin: (Brown, Calumet, Columbia, Crawford, Dane, Door, Douglas, Eau Claire, Grant, Green, Iowa, Jefferson, Kenosha, La Crosse, Lafayette, Manitowoc, Marinette, Milwaukee, Oconto, Outagamie, Ozaukee, Pepin, Pierce, Portage, Racine, Richland, Rock, Sauk, Sheboygan, Trempealeau, Walworth, Washburn, Waukesha, Winnebago, Wood) Click here for distribution map In US: (AR, AZ, CA, CO, CT, FL, GA, 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, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY) Click here for distribution map In Canada: (AB, BC, MB, NS, NT, ON, QC, SK, YT) Click here for distribution map References: Synonym(s): Basionym: Erysimum pinnatum Walter Fl. Carol. [Walter] 174 (1788). Homotypic Synonym(s): Heterotypic Synonym(s): Autonym:Descurainia pinnata subsp. pinnata (The other infraspecifics are Descurainia pinnata subsp. brachycarpon (Richardson) Detling, Descurainia pinnata subsp. glabra (Wooton & Standley) Detling, Descurainia pinnata subsp. halictorum (Cockerell) Detling, Descurainia pinnata subsp. menziesii (de Candolle) Detling, Descurainia pinnata subsp. ochroleuca (Wooton) Detling. These five subspecies all occur in the US.) Wetland Status (NC): Not listed Wetland Status (MW): Not listed