You chose Hallé's definition
Why?
Explain your answer.
A
Its trunk is composed of lignin, but not made of cambial tissue: it does not grow thicker over time.
B
It has no real wood: it does not produce lignin.
C
It has no real wood: its trunk contains neither lignin nor cambial tissue.
D
It does not have a long life expectancy.
The Phyllostachys nigra gr. Henonis
© Jardin botanique de Montréal (Gilles Murray)