Stems: glabrous, wiry. Leaves: the basal ones pinnatifid, the upper ones smaller, dentate. Flowers: in long racemes. Fruit: seeds solitary in each cell, pendulous.
This plant is nearly scentless, and has compound basal leaves and small-toothed upper ones. The white flowers grow in long-shaped clusters, and the seed-pods are circular and minutely wing-margined at the top.