a European campion, Silene vulgaris (or S. cucubalus), of the pink family, having white flowers with an inflated calyx.
Origin of bladder campion
First recorded in 1755–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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Knap′bottle, the bladder-campion; Knap′per, one who breaks stones, esp.
a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
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