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NC Native Plant Society:
Plant Details

Actaea racemosa [= Cimicifuga racemosa]

Common Black Cohosh, Early Black Cohosh

Scientific Name:

Actaea racemosa [= Cimicifuga racemosa]

Genus:

Actaea

Species Epithet:

racemosa

Common Name:

Common Black Cohosh, Early Black Cohosh

Plant Type

Herb/Wildflower

Life Cycle

Perennial

Plant Family

Ranunculaceae (Buttercup Family)

Native/Alien:

NC Native

Size:

1-3 ft., 3-6 ft., 6-12 ft.

Bloom Color(s):

White

Light:

Part Shade - 2 to 6 hours of sun per day, Less than 2 hours of sun per day

Soil Moisture:

Moist

Bloom Time:

May, June, July

Growing Area:

Mountains, Piedmont, Sandhills, Coastal Plain

Habitat Description:

Rich cove forests, other mesic and moderately to very fertile forests. May-Aug. Primarily Appalachian: w. MA south to SC and c. GA, but extending e. into the Coastal Plain and west to OH, IN, and MO. Common in NC Mountains and Piedmont, rare in Coastal Plain.

Leaf Arrangement:

Alternate

Leaf Retention:

Deciduous

Leaf Type:

Leaves veined, not needle-like or scale-like

Leaf Form:

Compound

Life Cycle:

Perennial

Wildlife Value:

Important for Wildlife

Landscape Value:

Recommended and Available

State Rank:

S4: Apparently secure (*Key)

Global Rank:

G4 - Apparently Secure (*Key)

State Status:

Exploited (*Key)

Notes:

Attracts butterflies, Host for Spring Azure.

New Shoots

image

Tom Harville
April

Plant

image

Tom Harville
April

Buds

The buds open from the bottom up over a week or two

image

Tom Harville
Early June

Blooms with Turkscap Lilies

image

Martha Baskin
Topton NC

Blooms with Turkscaps and Friend

Note the blooms opening

image

Martha Baskin
Topton, NC

The white flowers have no petals but consist of tight clusters of many white stamens surrounding a white stigma.

NC mountains

The Scientific Name is Actaea racemosa [= Cimicifuga racemosa]. You will likely hear them called Common Black Cohosh, Early Black Cohosh. This picture shows the The white flowers have no petals but consist of tight clusters of many white stamens surrounding a white stigma. of Actaea racemosa [= Cimicifuga racemosa]

Bettina Darveaux

Large compound leaves, 2- to 3-times divided. Leaflets are very serrated.

Orange County, NC

The Scientific Name is Actaea racemosa [= Cimicifuga racemosa]. You will likely hear them called Common Black Cohosh, Early Black Cohosh. This picture shows the Large compound leaves, 2- to 3-times divided. Leaflets are very serrated. of Actaea racemosa [= Cimicifuga racemosa]

Bettina Darveaux

A very tall herbaceous species which can grow to heights of 6 or more feet.

Seven Mile Creek Natural Area, Orange Co., NC

The Scientific Name is Actaea racemosa [= Cimicifuga racemosa]. You will likely hear them called Common Black Cohosh, Early Black Cohosh. This picture shows the A very tall herbaceous species which can grow to heights of 6 or more feet. of Actaea racemosa [= Cimicifuga racemosa]

Bettina Darveaux

The narrow racemes of white flowers can reach amazing heights.

Blue Ridge Parkway, Haywood Co., NC

The Scientific Name is Actaea racemosa [= Cimicifuga racemosa]. You will likely hear them called Common Black Cohosh, Early Black Cohosh. This picture shows the The narrow racemes of white flowers can reach amazing heights. of Actaea racemosa [= Cimicifuga racemosa]

Bettina Darveaux

Blue Ridge Parkway, Haywood Co., NC

The Scientific Name is Actaea racemosa [= Cimicifuga racemosa]. You will likely hear them called Common Black Cohosh, Early Black Cohosh. This picture shows the  of Actaea racemosa [= Cimicifuga racemosa]

Bettina Darveaux

Links:

USDA PLANTS Database Record

NCSU Plants
eFloras Plants
 



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