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Leaves.  Key characteristics: leaves are alternate with usually 3 primary lobes.   Note tendrils at left and below giving the plant a vining growth habit.

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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.