See text Hydrangeaceae is a family of flowering plants in the order Cornales, with a wide distribution in Asia and North America, and locally in southeastern Europe.

[4] The following genera are accepted:[5] The family Hydrangeaceae has two subfamilies, namely Jamesioideae and Hydrangeoideae.

The subfamily Jamesioideae comprises the genera Jamesia and Fendlera.

[8][6][7] However the relationships among those three clades within the tribe Philadelphae are a bit unclear.

(including Broussaisia, Cardiandra, Decumaria, Deinanthe, Dichroa, Pileostegia, Platycrater, and Schizophragma)[9] Philadelphus Carpenteria Deutzia Kirengeshoma Whipplea Fendlerella Jamesia Fendlera This article about plants of the order Cornales is a stub.