St Peter's wort

Definitions of St Peter's wort
  1. noun
    European perennial St John's wort; Ireland and France to western Siberia
    synonyms: Hypericum maculatum, Hypericum tetrapterum
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    type of:
    St John's wort
    any of numerous plants of the genus Hypericum having yellow flowers and transparently dotted leaves; traditionally gathered on St John's eve to ward off evil
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