AppearanceMelilotus alba is an annual to biennial herb that can grow from 3-8 ft. (0.9-2.4 m) tall.Foliage Leaves are alternate, trifoliate with petioles up to 1 in. (2.5 cm) long. Leaflets are greyish green, 1 in. (2.5 cm) long and 0.3 in. (0.85 cm) wide, dentate, and oblong to ovate.Flowers Racemes are 2-6 in. (5.1-15.2 cm) long. Flowers are small, floppy, tubular at base becoming broader toward outer edges, 0.3 in. (0.85 cm) long with 5 petals. Blooming occurs from summer through fall.Fruit Seed pods are smooth or slightly reticulated, 0.3 in. (0.85 cm) long, terminates in a beak, and contains 1 or 2 seeds.Ecological ThreatMelilotus alba can be found in prairies, fields, vacant lots, along roadsides, and in waste lands. It is native to Europe and Asia.

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Steve Dewey, Utah State University, Bugwood.org

University of Alaska , University of Alaska - Anchorage, Bugwood.org

Dave Powell, USDA Forest Service (retired), Bugwood.org

Jamie Nielsen, University of Alaska Fairbanks, Cooperative Extension Service, Bugwood.org

Steve Dewey, Utah State University, Bugwood.org

Karan A. Rawlins, University of Georgia, Bugwood.org

Jamie Nielsen, University of Alaska Fairbanks, Cooperative Extension Service, Bugwood.org

Wendy VanDyk Evans, Bugwood.org

Bonnie Million, Bureau of Land Management, Bugwood.org

Steve Dewey, Utah State University, Bugwood.org

Mary Ellen (Mel) Harte, Bugwood.org

Steve Dewey, Utah State University, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Mary Ellen (Mel) Harte, Bugwood.org

Michael Shephard, USDA Forest Service, Bugwood.org

Steve Dewey, Utah State University, Bugwood.org

Steve Dewey, Utah State University, Bugwood.org

D. Walters and C. Southwick, USDA, Bugwood.org

D. Walters and C. Southwick, USDA, Bugwood.org