Caltha

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Caltha

Description Caltha is a genus of flowering plants that belongs to the family Ranunculaceae. The genus contains around 20 species that are widely distributed throughout the Northern Hemisphere. The most well-known species is Caltha palustris, also known as Marsh Marigold or Kingcup. This herbaceous perennial plant is native to Europe and Asia, but it has been introduced to North America…