Phyllostachys atrovaginata, commonly known as Black-Striped Bamboo or Blue Bamboo, is a striking and highly ornamental bamboo species native to China. It is a member of the Phyllostachys genus, known for its fast growth, attractive appearance, and versatility. This clumping bamboo species typically reaches heights of 7 to 8 meters, with culms that can grow up to 3 to 5 cm in diameter, making it a medium-sized bamboo suitable for a variety of landscape and construction uses.
 
The most distinctive feature of Phyllostachys atrovaginata is its unique culm coloration. The stems are initially green but develop dark purple to blackish vertical stripes as they mature, which is the source of its common name, Black-Striped Bamboo. The culms also have a blueish or bluish-green tint when young, giving the plant an exotic, dramatic appearance. The culms are strong and flexible, making this bamboo suitable for use in a variety of applications, including furniture making, landscaping, and crafts.