1. Deciduous shrub bearing roundheaded flower clusters opening green and aging to pink or blue
   - Hydrangea macrophylla hortensis 
2. Very tall branching herb with showy much-doubled yellow flower heads
   - golden glow, double gold, Rudbeckia laciniata hortensia

Type of: cutleaved coneflower, hydrangea, Rudbeckia laciniata

Part of: genus Hydrangea, genus Rudbeckia, Rudbeckia

Encyclopedia: Hortensia

• amidships
• amidst
• amigo
• Amiidae
• amine
• aminic
• amino
• amino acid
• amino group
• amino plastic
• amino resin
• aminoaciduria
• aminoalkane
• aminoalkanoic acid
• aminobenzine
• aminobenzoic acid
• aminomethane
• aminopherase
• aminophylline
• aminoplast
• aminopyrine
• aminotransferase
• amiodarone
• amir
• Amish