Assertion: xylem's cell | /r/CapableOf | differentiate into xylem
Facets:
value: toward phloem
type: TRANSITIVE-OBJECT
Source sentences:
text: The proliferation of stem cells in the vascular meristem produces progeny cells, which either maintain their stem cell property or differentiate into xylem toward the center and phloem toward the periphery of plant stems (Elo et al., 2009;