Flower ID: IMG_0737.JPG-06-11-2017 Flower name (scientific): Lotus corniculatus Linnaeus PY: 1753. Pronunciation guide: (phonetic spelling) LO-tus korn-ee-ku-LAH-tus (or ker-ni-kul-A-tus) Flower name (common): Birds-foot Trefoil Family name (common): Pea Family name (scientific): Fabaceae Scientific name origin: Genus: Latin for flower of forgetfulness. Specific epithet: Latin for in the form of a horn (crescent-shaped). Common name origin: The first part used for plants having parts that resemble the shape of a bird's foot. Having a three-leaf structure resembling the Trifolium (clover), as do the tip leaflets of this plant. Flower description: Size: 0.2 to 0.4 inches (5 to 10 mm) Petal count: 5 Color: yellow Other: flower arrangement, Cluster-umbel Plant description: Size: 6 to 24 inches (15 to 61 cm) Stem hairy: glabrous or slightly pubescent. Other: Leaf description: attachment is alternate, type is compound. Leaves have a long petiole and the leaflets are sessile or nearly so. Leaflet margins entire. Size: Leaflets are 2 cm long and up to 5 to 10 mm wide. Color: medium green Hairy: The surfaces glabrous or sparsely pubescent. Other: Shape: leaf, trifoliate, leaflet, oblanceolate, lanceolate, or ovate (IL) Origin (native, introduced, invasive): Introduced, naturalized, ecologically invasive. Status (common, uncommon, threatened, rare): Very common. Bloom time (typical): June to August Cycle (annual, biennial, perennial): Perennial Habitat: Fields, disturbed sites, roadsides, waste areas, railroads, sun. Fruit: Legumes up to about 3 cm in length, green to purplish-brown in color, approximately linear shaped, and beaked. Seed: About 1 to 1.5 mm in length, darker brown or black in color. Importance to wildlife: Similar species (if any): No close lookalikes. Ethnobotany: 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, Lafayette, Langlade, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Pierce, Polk, Portage, Price, Racine, Richland, Rock, 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: (AL, AR, AZ, CA, CO, CT, DC, DE, GA, IA, ID, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, MT, NC, ND, NE, NH, NJ, NM, NY, OH, OK, OR, PA, RI, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY) Click here for distribution map In Canada: (AB, BC, LB, MB, NB, NF, NS, ON, PE, QC, SK, YT) Click here for distribution map References: Synonym(s): Basionym: na Homotypic Synonym(s): POWO lists 1 homotypic synonym for this species. Heterotypic Synonym(s): na Autonym:Lotus corniculatus subsp. corniculatus (The other infraspecifics are Lotus corniculatus subsp. afghanicus Chrtková, Lotus corniculatus subsp. delortii (Timbal-Lagrave) Nyman, Lotus corniculatus subsp. fruticosus Chrtková, Lotus corniculatus subsp. preslii (Tenore) Paul Fournier. None of these four subspecies have been recorded in North America.) Wetland Status (NC): FACU Wetland Status (MW): FACU