oak bark
Rugged trunk covering
Oak bark is the outer covering of oak trees, valued for its high tannin content.
Historically essential for tanning leather, it remains used in herbal medicine and natural dyeing.
The rough, furrowed texture of oak bark is distinctive: The oak bark was thick with moss and lichen.
- astringentTissue-contracting agent
- tanninsAstringent plant compounds
- leather tanningProcessing raw hides chemically
- antisepticMicrobe-killing substance
- natural dyesPigments derived from plants, insects, minerals
fissured · polyphenols · cork · folk medicine · herbal remedy · wound healing · sacred groves · decoction · habitat · poultice · tannic acid · tree worship · acorn · trunk · old growth · anti-inflammatory · timber · lichen