Blooms April to May The small flowers of Blue Cohosh are not very noticeable, even in the sparse... The flowers of this species of Blue Cohosh are blooming before the leaves open. Flowers. Back to Species Page Research Back to NYMF Table of Contents How to Use the Encyclopedia Glossary... The distinctive dark purple flowers. This species of Blue Cohosh blooms before the leaves are... Closer view of a flower. Blue Cohosh is a natural contraceptive used by native americans Blue Cohosh KSF April 17, 2008 Ashley Falls, Massachusetts April 27, 2003 Flowers. Copyright © 2005, Steven Wayne Rotsch _MG_9893 Blue Cohosh.jpg Ordering info 5x7 print - $15.00 8x10... The distinctive greenish flowers of Caulophyllum thalictroides . Early May. Leaves when they're still rather dark, as they unfurl. Later in the season they turn green. Last year's fruit in early May. Blue Cohosh , like Black Cohosh (Black Snake Root) , is widely believed to Protect Objects and... A nice sideways view of a flower. Leaf. Boneset Borage Bugleweed Burdock Blue Cohosh - Blue Cohosh has a very dark blue almost purple hue with a very small, yellow flower.... Blue Cohosh- Related News Protein That Plays Key Role in Many Lung-related Ailments Discovered Leaf. A nice sideways view of a flower. Copyright © 2005, Steven Wayne Rotsch _MG_9898 Blue Cohosh.jpg Ordering info 5x7 print - $15.00 8x10... August 23, 2003 Overall plant. In this species the flowers are in bloom at the same time that the leaves are fully... Caulophyllum thalictroides (Berberidaceae) - This plant was used by native-american women for easing... Caulophyllum thalictroides (Berberidaceae) - This plant was used by native-american women for easing... Leaves just unfurling. Blue Cohosh, squaw-root, papoose-root. Photo:Mimi Kamp, Southwest School of Botanical Medicine The blue berries (not edible).