Botanical Information
- Family: Urticaceae
- Common Names: Pellitory-of-the-Wall, Spreading Pellitory, Lichwort
- Parts Used: Aerial parts (leaves, stems, flowers)
Description
Parietaria officinalis, commonly known as Pellitory-of-the-Wall, is a perennial herbaceous plant that thrives in cracks of walls and rocky terrains. Traditionally valued for its diuretic, anti-inflammatory, and expectorant properties, it has been widely used in European herbal medicine for kidney and respiratory health.
Historical and Traditional Uses
- Used in medieval European herbal medicine for kidney and urinary tract support.
- Employed as an expectorant to aid in clearing mucus from the lungs.
- Traditionally used to reduce inflammation and promote wound healing.
- Applied as a poultice for skin irritations and minor wounds.
Constituents
- Flavonoids
- Tannins
- Mucilage
- Minerals (potassium, silica)
- Essential oils
Actions
- Diuretic
- Anti-inflammatory
- Expectorant
- Soothing demulcent
- Vulnerary (wound-healing)
Medicinal Uses
1. Kidney and Urinary Tract Health:
Pellitory-of-the-Wall is widely used as a diuretic to support kidney function, promote urine flow, and alleviate mild urinary infections.
2. Respiratory Support:
Traditionally used as an expectorant to clear mucus and soothe irritated airways.
3. Inflammatory and Joint Relief:
Helps reduce inflammation in cases of rheumatism, arthritis, and gout.
4. Skin and Wound Healing:
Applied topically for minor burns, wounds, and eczema.
5. Digestive Aid:
Used as a mild digestive tonic to calm irritation in the gastrointestinal tract.
Preparation and Dosage
Infusion (Tea):
- 1-2 tsp of dried herb per cup of hot water. Steep for 10 minutes. Drink up to twice daily.
Tincture:
- 2-5 ml taken up to 3 times daily.
Poultice (Topical Use):
- Fresh or dried herb made into a poultice and applied to inflamed or irritated skin.
Precautions and Contraindications
- Pregnancy and Lactation: Use with caution; consult a healthcare provider.
- Allergic Reactions: Some individuals may experience skin irritation or allergies.
- Kidney Conditions: Due to its diuretic effects, use cautiously in those with kidney disease.
Energetics (Traditional Medicine Perspectives)
- Traditional Western Herbalism: Cooling and moistening; supports kidney, lung, and skin health.
- Ayurveda: Primarily balances Pitta and Kapha, but excessive use may aggravate Vata.
- Traditional Chinese Medicine (TCM): Used to clear damp-heat and support fluid balance.
Combinations
- For Kidney and Urinary Health: Combine with nettle and dandelion leaf.
- For Respiratory Support: Combine with mullein and thyme.
- For Joint Inflammation: Combine with turmeric and willow bark.
Harvesting and Storage
- Harvesting: Aerial parts are collected during the flowering season.
- Drying: Air dry in a well-ventilated, shaded area.
- Storage: Store dried plant material in airtight containers away from moisture and light.
Modern Research
Studies confirm Parietaria officinalis’s diuretic, anti-inflammatory, and expectorant properties, reinforcing its traditional applications.
Pellitory-of-the-Wall remains a valuable herb in both traditional and modern herbal medicine, particularly for kidney health, respiratory support, and inflammatory relief.