'climbing hydrangea' definitions:

Climbing shrub with adhesive aerial roots having opposite leaves and small white flowers in terminal cymes; Himalayas to Taiwan and Japan [syn: climbing hydrangea, Schizophragma hydrangeoides]

Deciduous climber with aerial roots having large flat flower heads [syn: climbing hydrangea, Hydrangea petiolaris]

Deciduous climber with aerial roots having white to creamy flowers in fairly flat heads [syn: climbing hydrangea, Hydrangea anomala]