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Related to bougainvillaea: bougainvillea
[for L. A. de Bougainville], any plant of the genus Bougainvillea of the family Nyctaginaceae (four-o'clock family); chiefly tropical American woody vines with showy petallike bracts, usually in shades of brilliant red or purple.
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any tropical woody nyctaginaceous widely cultivated climbing plant of the genus Bougainvillea, having inconspicuous flowers surrounded by showy red or purple bracts