1. (

• hortensia ,
• Hydrangea_macrophylla_hortensis

) deciduous shrub bearing roundheaded flower clusters opening green and aging to pink or blue ;

2. (

• golden_glow ,
• double_gold ,
• hortensia ,
• Rudbeckia_laciniata_hortensia

) very tall branching herb with showy much-doubled yellow flower heads ;