Flora of the Southeastern United States
2022 Edition


Data mode


Sign up


Caulophyllum thalictroides (Linnaeus) Michaux. Common Blue Cohosh, Green Vivian. Phen: Apr-May; Jul-Aug. Hab: Rich forests. Dist: NS, QC, ON, and MB, south to GA, AL, AR, and OK.

Origin/Endemic status: Native

Syn: = Ar, FNA3, GrPl, Il, K1, K3, K4, Mi, NE, NY, Tn, Va, W, Haines (2003c), Loconte & Blackwell (1981), Loconte & Blackwell (1984), Loconte & Blackwell (1985), Stearn (2002); = Caulophyllum thalictroides var. thalictroides – C; < Caulophyllum thalictroides – F, G, Pa, RAB, S

Show in key(s)

Show parent

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map to see what it means.

image of plant© Joey Shaw
image of plant© Alan M. Cressler
image of plant© Richard & Teresa Ware
image of plant© Erik Danielson
image of plant© Richard & Teresa Ware