Gigantochloa atroviolacea, commonly known as "Java Black Bamboo" or simply "Black Bamboo," is a visually captivating clumping bamboo species native to Java, Indonesia. This medium to large bamboo is highly prized for its distinctive blackish-purple culms, which mature from green to a deep, nearly black color, adding dramatic contrast to gardens and landscapes. Gigantochloa atroviolacea typically reaches heights of 10 to 12 meters, with culms around 8 cm in diameter, and features dense foliage that enhances its ornamental appeal.

Java Black Bamboo is favored in high-end landscaping projects due to its elegant appearance and unique coloration. Its culms, though not as thick-walled as those of other species, are suitable for a variety of uses, including furniture making, decorative fencing, and crafting musical instruments. Artisans often use these richly colored culms to create items with a natural, luxurious aesthetic. In addition to its decorative and practical uses, G. atroviolacea plays an important role in erosion control and reforestation projects in its native habitat, where its dense clumps help stabilize soil and improve local ecosystems. This species is not only an asset in sustainable landscaping but also an eye-catching feature in gardens and ecological restoration projects worldwide.