any American spring plant belonging to the genus Claytonia, of the purslane family, especially C. virginica, having an elongated cluster of white flowers tinged with pink.
Origin of spring beauty
An Americanism dating back to 1815–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for spring beauty
a pale green annual plant (Claytonia perfoliata) of the purslane family, originally North American, having small white flowers above fused leaves that encircle the stem
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012