One to two feet high. Leaves. - Divided into many smooth, lobed, pale, drooping leaflets. Flowers. - Purplish and greenish, unisexual. Calyx. - Of four or five petal-like sepals. Corolla. - None. Stamens. - Indefinite in number, with linear yellowish anthers drooping on hair-like filaments (stamens and pistils occurring on different plants). Pistils. - Four to fourteen.

The graceful drooping foliage of this plant is perhaps more noticeable than the small flowers which appear in the rocky woods in April or May.