Assertion: secondary xylem | /r/CapableOf | develop thickened cell walls
Facets:
value: during the fall season
type: TEMPORAL
Source sentences:
text: During the fall season, the secondary xylem develops thickened cell walls, forming late wood, or autumn wood, which is denser than early wood.
text: During the fall season, the secondary xylem develops thickened cell walls, forming late wood, or autumn wood, which is denser than early wood.