belonging to the Papaveraceae, the poppy family of plants.
- Compare poppy family.
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British Dictionary definitions for papaveraceous
of, relating to, or belonging to the Papaveraceae, a family of plants having large showy flowers and a cylindrical seed capsule with pores beneath the lid: includes the poppies and greater celandine
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