Entry from British & World English dictionary
- A hydrangea of a group of varieties that have large rounded flower heads composed chiefly of sterile florets. Compare with lacecap.
- Hydrangea macrophylla vars., family Hydrangeaceae
late 18th century: modern Latin, named after Hortense, wife of J.-A. Lepaute (1720–circa87), French clockmaker.
More definitions of hortensiaDefinition of hortensia in:
- The British & World English dictionary