Winter vetch

Photo

Vicia villosa (invasive)

Annual herb, invasive. Part of the pea family, grows like a vine and seeds grown in pods. Leaves are linear, opposite. Purple fluted flowers hang in groups on short stems. Grown in areas to prevent soil erosion, fix nitrogen and add organic matter to disturbed soils.

USDA Plant database. https://plants.usda.gov/factsheet/pdf/fs_vivi.pdf