Fr ovoid to linear, laterally compressed, constricted at the commissure, distinctly beaked, the ribs obsolete, the oil-tubes obscure; carpophore entire or cleft at the tip; umbels compound, terminal (or lf-opposed) and from the upper axils, usually without invol; umbellets few-fld; bractlets ciliate or fimbriate, linear to ovate; sep obsolete; pet white; stylopodium conic; branching herbs with twice or thrice compound lvs and dentate to incised infls. 20, Eurasia.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.