From the axils of the upper compound leaves upright racemes of yellow flowers form from July – August. Each unscented flower is about 15 millimeters across; has 5 pale yellow sepals and petals, 10 stamens with black anthers and a conspicuous pistil with long white hairs. The dark brown seedpods are about 10 centimeters long when fully mature in September – October. The seed pods have 10 – 18 segments and split explosively. There are about 50 seeds/gram.