what is stele
In a vascular plant, the stele is the central part of the root or stem containing the tissues derived from the procambium.These include vascular tissue, in some cases ground tissue (pith) and a pericycle, which, if present, defines the outermost boundary of the stele.rom Wikipedia, the free encyclopedia. In a vascular plant, the stele is the central part of the root or stem containing the tissues derived from the procambium. These include vascular tissue, in some cases ground tissue (pith) and a pericycle, which, if present, defines the outermost boundary of the stele.