Phyllostachys nigra

A. A. Reznicek colony
A. A. Reznicek leaves
A. A. Reznicek shoots
A. A. Reznicek stems developing black coloring
A. A. Reznicek stems showing black coloring
A. A. Reznicek stems
A. A. Reznicek advancing rhizomes
A. A. Reznicek branches