Cornales is an order of flowering plants, basal among the asterids, which are part of the core eudicots. There are about 600 species of cornales. Cornales are flowering plants whose flowers are in groups of four, in which the petals are not joined with each other. Under the APG system, it includes the following families: Family Cornaceae (dogwood family) Family Curtisiaceae (cape lancewood) Family Grubbiaceae (sillyberry family) Family Hydrangeaceae (hydrangea family) Family Hydrostachyaceae F… (More on Cornales)