Bougainvillea/ Bagan Bilash (বাগান বিলাস) is a genus of thorny, ornamental vines, shrubs, and trees belonging to the four o’clock family, Nyctaginaceae. Native to South America, it is popular in warm climates and as an indoor houseplant. It has attractive, colorful foliage and produces colorful bracts in shades of red, pink, purple, orange, and white. The bracts usually last for several weeks, giving the plant a long-lasting display of color. The plant is also known for its hardiness, making it a popular choice for landscaping