Pycnanthemum tenuifolium vs Robinia pseudoacacia

Side-by-side comparison of medicinal herbs

Herb

Pycnanthemum tenuifolium

Respiratory

Respiratory

Pycnanthemum tenuifolium

❌ Not recommended in pregnancy

✅ Generally safe while nursing

Robinia pseudoacacia

✅ Generally safe in pregnancy

❌ Not recommended while nursing

Description

Slender-leaved aromatic perennial of eastern North American meadows, used by Native Americans for colds.

North American naturalized tree; flowers used as food and in folk medicine for digestive and respiratory conditions.

Active Compounds

pulegone, carvacrol, flavonoids, tannins

flavonoids, robin (toxalbumin in bark/seeds), tannins, essential oils (flowers)

Traditional Uses

Used by eastern Native American tribes for colds and respiratory conditions, Traditional digestive herb of North American woodlands

digestive complaints, respiratory conditions, food (flowers)

Modern Uses

Antimicrobial action, Respiratory support, Digestive aid, Insect repellent

anti-inflammatory, digestive tonic, food

Adult Dosage

Tea: 1-2 tsp per cup 3x/day

Flowers as food or tea 3-5g 2x/day

Contraindications

Pregnancy in high doses

bark/seed/root use (toxic robin), pregnancy

Side Effects

Mild gastrointestinal effects

nausea with bark, GI toxicity from bark/seeds

Drug Interactions

0 known interactions

Reviewed by: HerbAlly Editorial Team, Medical herbalists and healthcare professionals

Sources: WHO Monographs · NCCIH · PubMed · Commission E