Flowers - Corolla deep pink to white, papilionaceous, to 2.5cm long. Standard very broad, emarginate at apex. Stamens 10, diadelphous. Style flattish, pubescent. Calyx 5-lobed. Calyx tube to 6mm long, 5mm in diameter, glabrous. Lobes unequal, the lowest lobe longer than the others, to 7mm long. All lobes acute to acuminate. Fruits compressed, to +10cm long, 1cm broad, glabrous.
Habitat - Roadsides, railroads, fencerows, open fields, sometimes cultivated.
Origin - Native to Europe.
Other info. - This is a common and easily identified species in the state. The winged stems are very obvious and the flowers are very striking. The plant can be seen in profusion along roadsides and fencerows during its blooming season.
The flowers are vary variable in color, especially with the cultivated plants. Here are some color variations: