Botanical Overview
Ulmus rubra, commonly known as slippery elm, red elm, soft elm, or moose elm, is a member of the Ulmaceae family native to North America. The inner bark is the primary medicinal part used in traditional and Western herbal medicine.
Energetics
This herb exhibits cooling temperature and moistening moisture qualities. It has mucilaginous, sweet, and bitter tastes and is considered relaxing in tonicity. It primarily influences the body’s fluids.
Primary Actions
- Demulcent
- Emollient
- Astringent
- Anti-inflammatory
Indications
Western
- Cough
- Sore throat
- Gastric irritation
- Diarrhea
- Skin irritation
- Burns
Syndromes
- Inflammation of mucous membranes
- Gastric ulcers
- Respiratory tract irritation
TCM
Not applicable or insufficient data.
Ayurveda
Not applicable or insufficient data.
Unani
Not applicable or insufficient data.
Constituents & Mechanisms
The inner bark contains mucilage, tannins, flavonoids, and minerals such as calcium, potassium, and magnesium, responsible for its soothing and protective actions on mucous membranes and skin.
Dosage & Preparations
- Powdered inner bark infusion: 1-4 g, 1-3 times daily
- Lozenges for sore throat
- Decoction or infusion used topically for skin conditions
Safety & Contraindications
Ulmus rubra is generally safe when used appropriately. Allergic reactions are rare but possible. It may interfere with absorption of other oral medications due to its mucilaginous content, so doses should be staggered. There is limited information on its use during pregnancy and lactation; therefore, caution is advised.
Astrological Correspondences
No well-supported planetary or elemental rulers identified in reputable sources.
Selected References
- American Herbal Pharmacopoeia: American Slippery Elm Inner Bark – Ulmus rubra Muhl. (2003)
- Phytotherapy Research: Phytochemical and pharmacological profile of Ulmus rubra (2015)
- Plants For A Future Database: Ulmus rubra – Slippery Elm