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|Noun||1.||Philadelphaceae - one genus; usually included in family Hydrangeaceae|
rosid dicot family - a family of dicotyledonous plants
family Hydrangeaceae, hydrangea family, Hydrangeaceae - sometimes included in the family Saxifragaceae
genus Philadelphus - mock orange: type and sole genus of the subfamily Philadelphaceae; sometimes placed in family Saxifragaceae