Stem 1-2 m; upper lvs progressively reduced and less compound, the uppermost sometimes simple; lfls narrowly to broadly cuneate and entire in the basal half, the distal half triangular, acute, sharply serrate or incised; umbels 3-10 cm wide; fr elliptic, 5-7 mm, half as wide; 2n=22. Native of the Old World, escaped from cult. here and there in our range. July, Aug. (Hipposelinum levisticum)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
