CRAMP BARK. Viburnum opulus. N.O. Caprifoliaceae.
Synonym : Guelder Rose, High Cranberry, Snowball Tree.
Habitat : Cultivated in shrubberies, etc., for decorative purposes.
Features : Very thin bark, greyish-brown outside with cork7 growths (lenticels), slight longitudinal crackings, laminate, light brown internally. Fracture forms flat splinters.
Part used : Bark.
Action : Antispasmodic, nervine.
As the name indicates, in cramp and other involuntary spasmodic muscular contractions. The decoction of 1 ounce to 1 pint of water (simmered from 1 pints) is administered in 1-2 tablespoon doses.
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