1. (noun) type genus of Hydrangeaceae; large genus of shrubs and some trees and vines with white or pink or blue flower clusters; sometimes placed in family Saxifragaceae

• climbing hydrangea
• hydrangea anomala
• climbing hydrangea
• hydrangea petiolaris
• fall-blooming hydrangea
• hydrangea paniculata
• hortensia
• hydrangea macrophylla hortensis
• hydrangea
• hydrangea arborescens
• wild hydrangea

1. (noun) type genus of Hydrangeaceae; large genus of shrubs and some trees and vines with white or pink or blue flower clusters; sometimes placed in family Saxifragaceae

• family hydrangeaceae
• hydrangea family
• hydrangeaceae

1. (noun) type genus of Hydrangeaceae; large genus of shrubs and some trees and vines with white or pink or blue flower clusters; sometimes placed in family Saxifragaceae

• rosid dicot genus