Cicuta spp.
Family: Apiaceae
Cicuta image
Max Licher  
Fr ovoid to orbicular, flattened laterally, with thick corky ribs; oil-tubes solitary in the intervals, 2 on the commissure; umbels compound; bracts none or few, narrow, and inconspicuous; bractlets narrow, several, rarely none; sep well developed, triangular; pet white; stylopodium depressed or low-conic; carpophore bifid to the base, deciduous; glabrous, violently poisonous perennials, the tuberous-thickened base of the stem hollow, with well developed transverse partitions; roots clustered, generally some tuberous-thickened; lvs once to thrice pinnate or ternate-pinnate, most spp. with well defined lfls. 4, 1 circumboreal, the others N. Amer.

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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Species within VPlants