Color, pale yellow. Leaves, twice or thrice compound, alternate; those near the base less divided than those higher up on the stem. Leaflets, long, narrow, somewhat ovate, coarsely toothed. Tall, 2 to 4 feet high, with umbels of yellow flowers and rather large seeds. Soft, line hairs grow along the joints of the stem and among the (lowers. May and June.
River-banks and along streams from New York to. Minnesota and southward.