Leaves. Key characteristics: leaves are alternate with usually 3 primary lobes. Note tendrils at left and below giving the plant a vining growth habit.
Photo courtesy of Brent Carpenter, University Outreach and Extension Regional Farm Management Specialist.
Fruit. Key characteristics: occur in clusters, are pointed and covered with hairs. Photo courtesy of Gabe Ramsey, Marshall MO.
Seed. Seed have a rough texture and covered with hair. Length is 12.0 to 15.0 mm.
Life cycle: summer annual.