1. Plural of bougainvillea; tropical climbing plants with colorful papery bracts (modified leaves) that surround small flowers, widely grown as ornamental plants.
Usage: Commonly used in gardening and horticulture contexts; The colorful parts are technically bracts, not petals

Examples

• The bougainvilleas in her garden bloomed in vibrant shades of pink and purple.
• Bougainvilleas are popular in warm climates because they thrive in full sunlight.
• She planted several bougainvilleas along the fence to create a colorful privacy screen.
• The bougainvilleas cascaded down the trellis in a stunning display of magenta bracts.
• Many Mediterranean gardens feature bougainvilleas as their signature flowering plants.