Family name: Poaceae Subfamily: Bambusoideae Genus: Phyllostachys Botanical name: Phyllostachys nigra Common name: Black Bamboo Mature height: 5m
This picture really does show its dark, ebony like culms which will come through on maturity. You will need to be a little bit patient, but it is well worth it.
Running bamboo.
Care: Grow in sun or part shade in moist but well drained soil in a sheltered site out of the wind.