any of several South American ornamental woody vines of the genus Bougainvillea having brilliant red or purple flower bracts; widely grown in warm regions
例句
用作名词(n.)
Any of several South American woody shrubs or vines of the genus Bougainvillea having groups of three petallike,showy,variously colored bracts attached to the flowers.九重葛，一种九重葛属南美洲木本灌本或藤本植物，三片花瓣形艳丽而颜色丰富的花苞附在花上。
