test
node1
BFO:0000001
entity
node2
BFO:0000002
continuant
node1->node2
node2->node2
node11
BFO:0000004
independent
continuant
node2->node11
node3
PO:0025029
shoot axis
node4
PO:0006202
interfascicular
region
node3->node4
node20
PO:0025050
tuber interfascicular
region
node4->node20
node5
PO:0025522
tuber
node6
PO:0025036
tuber storage
parenchyma
node5->node6
node6->node20
node7
PO:0005421
parenchyma
node8
PO:0025035
storage parenchyma
node7->node8
node8->node6
node9
PO:0025004
plant axis
node9->node3
node9->node5
node10
PO:0009008
plant organ
node10->node9
node11->node11
node16
BFO:0000040
material entity
node11->node16
node12
PO:0025059
portion of ground
tissue
node12->node7
node12->node4
node13
PO:0009011
plant structure
node15
PO:0009007
portion of plant
tissue
node13->node15
node14
PO:0025496
multi-tissue plant
structure
node13->node14
node18
PO:0025497
collective plant
structure
node13->node18
node14->node10
node15->node12
node17
PO:0025131
plant anatomical
entity
node16->node17
node17->node13
node19
PO:0025007
collective plant
organ structure
node18->node19
node21
PO:0009006
shoot system
node19->node21
node21->node3