Phyllostachys nigra  Phyllostachys nigra, commonly known as, black bamboo, is a species of bamboo, native to Hunan Province of China, and is widely cultivated elsewhere. Growing up to tall by broad, it forms clumps of slender arching canes which turn black after two or three seasons. The abundant lance-shaped leaves are long. Numerous forms and cultivars are available for garden use. The species  and the form "P. nigra" f. "henonis" have both gained the Royal Horticultural Society's Award of Garden Merit. The form "henonis" is also known as Henon bamboo and as cultivar 'Henon'. It is used for lumber (timber), food, and musical instruments, among other things, in areas of China where it is native and also worldwide. A 2008 study from Zhejiang University, in China, isolated several flavone C-glycosides on black bamboo leaves, including orientin, homoorientin, vitexin and isovitexin.