Solidago flexicaulis

Zig-zag or Broadleaved goldenrod, verge d’or à tige zigzaguante

Solidago flexicaulis L. is a colony forming woodland goldenrod native central eastern North America.  The upper stem is distinctive bent at the nodes (Semple & Cook 2006 FNA).  Chmielewski & Semple (1985) examined the cytogeography of the species in Ontario.Cook & Semple (2008) discussed the cytogeography of the species that includes diploid (2n=18) and tetraploid (2n=36) plants that tend to be allopatrically distributed.

Solidago flexicaulis range Cook & Semple draft

Chmielewski, J.G., and J.C. Semple. 1985b. The cytogeography and post-glacial migration of Solidago flexicaulis (Compositae) into southern Ontario. Naturaliste Canadien. 112: 307-311.

Cook, R.E. and J.C. Semple. 2008. The cytogeography of Solidago subsect. Glomeruliflorae (Asteraceae: Astereae). Botany 86: 1488-1496.

Last revised 11 April 2025 by J.C. Semple     

© 2025 J.C. Semple, including all photographs unless otherwise indicated

Solidago flexicaulis, Minnesota
Solidago flexicaulis, Kentucky
Solidago flexicaulis, inflorescence, Niagra escarpment, Ontario
Solidago flexicaulis hds IL

1-4. Solidago flexicaulis. 1. Multiple plants flowering, Semple & B. Semple 11311, Faribault Co., Minnesota. 2. Single shoot, Kentucky. 3. Inflorescence with stem bent at each node, Semple 2388, Brant Co., Ontario. 4. Heads, Union Co., Illinois.