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papaveraceous

American  
[puh-pav-uh-rey-shuhs] / pəˌpæv əˈreɪ ʃəs /

adjective

  1. belonging to the Papaveraceae, the poppy family of plants.


papaveraceous British  
/ pəˌpeɪvəˈreɪʃəs /

adjective

  1. 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

Etymology

Origin of papaveraceous

1840–50; < New Latin, Latin papāver poppy + -aceous