phlor-
combining form 
or phloro-
Etymology: French, from International Scientific Vocabulary phlorizin 
1. : related to phlorizin 
< phloretin >
< phloroglucin >
2. : related to phloroglucinol 
< phloro-acetophenone CH3COC6H4(OH)3 >
or phloro-
1.
< phloretin >
< phloroglucin >
2.
< phloro-acetophenone CH3COC6H4(OH)3 >