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Blue Cohosh [Caulophyllum thalictroides]

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Common Name: Blue Cohosh
Scientic Name: Caulophyllum thalictroides
Colors: Green
Months Appearing: May

Barberry family. 1-3 ft tall.

Flower: In a panicle of 5-30 flowers. 1/3 inch in diameter. Six petal like sepals with very small petals. 

Leaves: 3 to 4 x compound. Non-flowering plant has one leaf, flowering two. Similar to Meadow Rue leaf. Blue -green.

Central stem often purple, smooth.

Fruit: Early, green becoming blue with time. Poisonous!

Rich woods. Aman Park, Grand Rapids, Michigan. 5/2      2309, 0994 (Sept 3)