context: The trunk is single or expanded, more or less straight, slightly oval, in natural clones with curvature. The branch type is monopodial. In middle-aged and old trees, the bark in the lower part of the trunk is thick - 4-6 cm, dark gray, cracking, and light gray without cracks above the trunk. The crests of the crust are interrupted.
question: What type of branching is black poplar?
answers.text: monopodial