Assertion: jerusalem artichoke's tuber | /r/HasAspect | main bud
Facets:
value: at their distal end
type: LOCATION
value: on knobby projections
type: LOCATION
Source sentences:
text: Tubers, encircled by well-spaced growth rings, have a main bud at their distal end along with scattered secondary buds, especially on knobby projections.