Definition of Saint-Peter's-wort

1a : a plant of the genus Ascyrum (as A. stans of the southeastern U.S.)
b [so called from its blooming near the time of St. Peter's feast day (June 29)] : a European Saint-John's-wort (Hypericum quadrangulum)
2 [so called from the resemblance of the leaves to keys, traditional appurtenances of St. Peter] : cowslip sense 1a

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Saint Peter's fish



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“Saint-Peter's-wort.” Dictionary, Merriam-Webster, Accessed 15 Oct. 2021.

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