Marsh marigolds, or Caltha palustris, are moisture-loving plants that typically grow wild along riverbanks and in shallow ...

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MARSH MARIGOLD -- scientific name Caltha palustris. This species is said by most botanists to be the most primitive flower in the world. It was growing in England before the last ice age. It is ...

READING the notice of Mr. Burkill's paper on “Variations in Stamens and Carpels,” in NATURE of February 7 (p. 359), I remembered the following notes on Caltha palustrist which my wife and I made at ...

"WINKING Marybuds begin to ope their golden eyes," wrote Shakespeare in his play Cymbeline, of uncertain date.