- mock orange, syringa, Philadelphus coronarius - large hardy shrub with showy and strongly fragrant creamy-white flowers in short terminal racemes
--1 is a kind of philadelphus
--1 is a member of genus Philadelphus - Syringa, genus Syringa - genus of Old World shrubs or low trees having fragrant flowers in showy panicles: lilacs
--2 is a kind of dicot genus, magnoliopsid genus
--2 is a member of Oleaceae, family Oleaceae, olive family
--2 has members: lilac