Deciduous tree with hard wood and smooth bark which later develops fissures; leaves have lobe-like projections on the edges; fruit is a stalked achene (i.e.. acorn).
Herb Effects
Astringent and a noninflammatory action to the skin and mucous membranes.
Chemistry
Active Ingredients
Catechol tannins
Pharmacology
Medicinal Use
For frostbite, hemorrhoids, chilblain and rashes; in diarrhea of animals.
Health Remedies 
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