Blue Cohosh, Caulophylle faux-pigamon, papoose-root, squaw-root, blue ginseng

Last updated: February 8, 2026Reviewed date: February 8, 2026Reading time: 8 min read

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For severe symptoms, danger signs, pregnancy, child illness, or sudden worsening, seek urgent medical care.

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Article Summary

Key Takeaways

This article explains Facts of Blue Cohosh in simple medical language.
This article explains Blue Cohosh Scientific Classification in simple medical language.
This article explains Traditional uses in simple medical language.

Educational health guideWritten for patient understanding and clinical awareness.

Reviewed content workflowUse writer and reviewer profiles for stronger trust.

Emergency safety firstUrgent warning signs are highlighted below.

Seek urgent medical care if you notice

These warning signs are general safety guidance. Local emergency numbers and clinical judgment should always come first.

Severe symptoms, breathing difficulty, fainting, confusion, or rapidly worsening illness.
New weakness, severe pain, high fever, or symptoms after a serious injury.
Any symptom that feels urgent, unusual, or unsafe for the patient.

Emergency now

Use emergency care for severe, sudden, rapidly worsening, or life-threatening symptoms.

See a doctor

Book a professional medical evaluation if symptoms persist, worsen, recur often, affect daily activities, or occur in a high-risk patient.

Learn safely

Use this article to understand possible causes, tests, treatment options, prevention, and questions to ask your clinician.

The flowering plant Blue Cohosh belongs to the family Berberidaceae and species Caulophyllum. Other common names for Blue Cohosh are Caulophylle faux-pigamon, papoose-root, squaw-root, blue ginseng and yellow ginseng. This herb contains a stalk that possesses three branched leaves with various fruiting stalks. The base of leaflets resembles tulips and has distinct serrate flower tip. It bears fruits as berries that resemble blueberries due to the presence of bluish green foliage. The blossoms start to begin in early spring. It is commonly found in northern Illinois, central Illinois and Shawnee Hills of southern Illinois. It is uncommon in other areas of southern Illinois. Its habitats are bluffs, rich mesic woodlands and wooded slopes of large ravines. It is also found in hardwood forests of the United States. Firstly the root of Blue Cohosh is used by American Indians and later it was introduced in Native American tribes. It is usually known by renowned herbalists for its abortive and contraceptive properties. This herb is used by Native Americans to start labor or increase contractions. It could be used as a tincture or in the form of capsule or tea. This herbal plant is used to stimulate the function of uterus and promotes pain for the expecting mothers. It is used to promote delay menstruation and soothes painful muscle spasms.

Facts of Blue Cohosh

Name	Blue Cohosh
Scientific Name	Caulophyllum thalictroides
Native	Commonly found in northern Illinois, central Illinois and Shawnee Hills of southern Illinois. It is uncommon in other areas of southern Illinois. Its habitats are bluffs, rich mesic woodlands and wooded slopes of large ravines.
Common/English Name	Caulophylle faux-pigamon, papoose-root, squaw-root, blue ginseng, yellow ginseng
Name in Other Languages	Swedish: Azurbär; English: Blue Cohosh, Papooseroot Squawroot, Papoose-Root; French: Caulophylle Faux-Pigamon, Cohosh Bleu, Léontice Faux-Pigamon; Finnish: Amerikansinisiemen; Spanish: cohosh azul; German: Frauenwurzel; Danish: løveblad; Swedish: azurbär;
Plant Growth Habit	Perennial wildflower, unbranched
Plant Size	Height: 1-3′ tall
Stem	Erect, terete, glabrous, glaucous, light green to pale purple
Leaflets	Long, ascending, glabrous, light green
Subleaflets	¾-2″ across, 1-3″ long, broadly ovate-oblong to obovate-oblong
Flowering Season	Mid to late spring
Flower	1/3″ across, insignificant petals, 6 petaloid sepals, 6 stamens, ovoid ovary, yellow to green
Seeds shape & size	1/3″ across, globoid, glaucous, glabrous
Seed color	Initially green but bright blue at maturity
Root	Fibrous, rhizomatous

Blue Cohosh Scientific Classification

Scientific Name: Caulophyllum thalictroides

Rank	Scientific Name & (Common Name)
Kingdom	Plantae (Plantes, Planta, Vegetal, plants)
Subkingdom	Viridiplantae
Infrakingdom	Streptophyta (Land plants)
Superdivision	Embryophyta
Division	Tracheophyta (Vascular plants, tracheophytes)
Class	Magnoliopsida
Order	Ranunculales
Family	Berberidaceae (Barberries)
Genus	Caulophyllum Michx. (Caulophylle, blue cohosh, cohosh)
Species	Caulophyllum thalictroides (L.) Michx. (Caulophylle faux-pigamon, papoose-root, squaw-root, blue cohosh)
Synonyms	Caulophyllum thalictroides var. thalictroides Leontice thalictroides L.

History

Mostly used by Native Americans, the word cohosh was derived from Algonquin name. Potawatomi, Okibwe, Meskawi, Menomini tribes used it for treating menstrual cramps, promote labor contractions and restrain excessive menstruation. From 19^th century, it was used as parturient, emenagogue and antispasmodic in Eclectic medicine and is continuously used for promoting uterine contractions and regulates menstrual cycle.

Plant

Blue cohosh is a perennial wildflower which grows about 1-3′ high. It has a rhizomatous and fibrous root system. It has a light green to pale purple central stem that is terete, erect, glabrous which is often glaucous.

Leaves

The non-flowering plant bears single compound leaf whereas the flowering plant bears a couple compound leaves at the apex of stem. A flowering plant has lower compound leaf that is found at the middle of the central stem that could be divided into 3 compound leaflets. Every leaflet is composed of 9 subleaflets. The leaflets are ascending, glabrous, long and light green in color. The subleaflets measures about ¾-2″ across (wide) and 1-3″ long and is broadly ovate-oblong to obovate-oblong with blunt tips.

Flower

Each flower measures 1/3″ across that comprises of insignificant petals, 6 petaloid sepals, 6 stamens with an ovoid ovary. The sepals are oblanceolate which might be greenish-brown, greenish yellow or greenish-purple that depending on local ecotype. From 3 to 4 green bractlets could be found underneath of each flower. The flower blooms from mid to late spring before the leaves are developed fully. Then the flowers are followed by the berry that is like seeds.

Seeds

Seeds are globoid in shape, glacous and glabrous that measures about 1/3″ across. Firslty, the seeds are green but later on turns bright blue when it becomes mature. The seed coat consists of carbohydrates and is fleshy.

Traditional uses

It is used to facilitate child birth in North American Indian tribes.
It is a treatment for gynaecological conditions.
This herb is used to eliminate intestinal worms and also lowers infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation.
The root possesses antispasmodic, anthelmintic, diuretic, diaphoretic, oxytocic, emenagogue and sedative properties.
Drink an infusion made with root and warm water for two weeks to ease birth.
Internally, the plant is used to treat rheumatism, pelvic inflammatory disease and gout.
The root is used as an aid for menstrual disorders.
It is useful for uterine infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation, hysteria and epilepsy.
It stops uterine bleeding after delivery.
It is used as a contraceptive by native Americans.

Precautions

It is not supposed to be used during pregnancy.
Its excessive use should be avoided because it might cause nicotine poisoning and high blood pressure.
Its overdose might cause vomiting, nausea and narrowing of blood vessels.
It should not be used by the people having heart diseases and hypertension.
It might irritate mucous membranes and cause contact dermatitis.
The people who are allergic to Blue cohosh should not use it.
Side effects such as irritation of gastrointestinal system, chest pain, cramps, severe diarrhea, high blood pressure and high blood glucose levels might be experienced.

How to Eat

The seeds are roasted and used as a substitute for coffee.

References

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

Write when the problem started and how it changed.
Bring old prescriptions, investigation reports, and current medicines.
Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

What is the most likely cause of my symptoms?
Which danger signs mean I should go to hospital quickly?
Which tests are necessary now, and which can wait?
How should I take medicines safely and what side effects should I watch for?
When should I come for follow-up?

Tests to discuss

Vital signs: temperature, pulse, blood pressure, oxygen saturation
Basic physical examination by a clinician
CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

Stop activity and seek urgent medical evaluation.
Chest pain should not be managed only with home medicine.
Discuss ECG and cardiac blood tests with emergency care when appropriate.

OTC medicine safety

Do not take random painkillers to hide chest pain before medical evaluation.

Avoid these mistakes

Do not start antibiotics without a proper medical decision.
Do not use steroid tablets or injections casually for quick relief.
Do not delay emergency care because of home remedies.

Get urgent help if

Chest pressure, sweating, breathlessness, fainting, pain spreading to arm/jaw/back, or known heart disease needs emergency care.

Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Emergency care / cardiology / medicine doctor

Tests to discuss with doctor

ECG as early as possible when chest pain suggests heart risk
Troponin or cardiac blood tests if doctor suspects heart attack
Blood pressure, oxygen level, chest examination, and other tests as advised urgently

Questions to ask

What is the most likely cause of my symptoms?
Which warning signs mean I should go to emergency care?
Which tests are really needed now?
Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?
Is this heart-related, and do I need emergency observation?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Go to emergency care if you notice:

Severe or rapidly worsening symptoms
Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration

Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.

Step 1
Check danger signs first
If danger signs are present, seek emergency care and do not wait for online information.
Step 2
Record the symptom story
Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.
Step 3
Visit a qualified clinician
A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.
Step 4
Do only useful tests
Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.
Step 5
Follow up and return early if worse
If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips

Take a written symptom diary and all previous prescriptions/test reports.
Do not hide medicines already taken, even herbal or over-the-counter medicines.
Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

RX Patient Help

Ask a health question safely

Write your symptom story. A health professional or site editor can review it before any answer is prepared. This box is not for emergency care.

Emergency first: Severe chest pain, breathing trouble, unconsciousness, stroke signs, severe injury, heavy bleeding, or rapidly worsening symptoms need urgent local medical care now.

Frequently Asked Questions

Is this article a replacement for a doctor?

No. It is educational content only. Patients should consult a qualified clinician for diagnosis and treatment.

When should I seek urgent care?

Seek urgent care for severe symptoms, rapidly worsening condition, breathing difficulty, severe pain, neurological changes, or any emergency warning sign.