1. a plant with a white or colored spathe (modified leaf) surrounding a yellow spadix (flower spike), commonly grown as an ornamental houseplant or cut flower.
Usage: Also called calla lily, though it is not a true lily.; The genus Zantedeschia is native to southern Africa.

Examples

• She arranged white callas in a tall vase for the wedding.
• Callas are popular flowers for bridal bouquets.
• The calla's distinctive white spathe makes it instantly recognizable.
• My grandmother grows callas in her greenhouse.
• Colored callas in pink and purple have become trendy in recent years.