Assertion: cambium | /r/CapableOf | produce new layers of phloem
Facets:
value: on the inside
type: LOCATION
value: on the outside
type: LOCATION
value: of xylem
type: OTHER
Source sentences:
text: The cambium produces new layers of phloem on the outside and of xylem (wood) on the inside, thus increasing the diameter of the stem.