Stem stout and erect, to 12 dm, from a turnip-like root; lvs divided to the base, the divisions deeply cleft, usually to below the middle, into numerous linear-oblong segments; inflorescence elongate, with crowded blue to variegated or white fls; rachis and pedicels nearly glabrous, but with remote, incurved hairs. Native of Europe, rarely escaped from cult. in N. Engl. July-Sept.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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