Description: Black Cohosh is a woodland perennial with deeply toothed compound leaves and racemes of pungent cream flowers in the summer.The large, creeping, knotting rootstock, scarred with the remains of old growth, produces a stem up to 9 fee..
Description: From the single stalk rising from the ground, there is a single, large, three-branched leaf plus a fruiting stalk. The bluish-green leaflets are tulip-shaped, entire at the base, but serrated at the tip. Its species name,&..