Erect, branched, 4-10 dm; lower lvs long-petiolate, mostly biternate with 9 lfls but often irregular; lfls oblong to ovate, 3-8 mm, sharply serrate; upper lvs reduced, short-petiolate, chiefly once ternate; umbels dense, 6-12 cm wide, the 15-25 rays subequal; fr 3-4 mm; 2n=22, 44. Native of Eurasia, cult. in old-fashioned gardens and often escaped in ne. U.S., especially in moist, partly shaded places. Most horticultural forms have white-margined lvs.

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

©The New York Botanical Garden. All rights reserved. Used by permission.

From Flora of Indiana (1940) by Charles C. Deam

 ......

Indiana Coefficient of Conservatism: C = null, non-native

Wetland Indicator Status: FAC

Diagnostic Traits: rhizomatous; leaves ternate; leaflets ovate, sharply toothed, glabrous; petals white; style bases becoming ca. 0.5 mm long; ovaries and fruits smooth.

Leaflets of cultivars often have white margins.