test
node1
BFO:0000001
entity
node2
BFO:0000002
continuant
node1->node2
node2->node2
node5
BFO:0000004
independent
continuant
node2->node5
node3
PO:0009008
plant organ
node4
PO:0025004
plant axis
node3->node4
node8
PO:0025029
shoot axis
node4->node8
node5->node5
node10
BFO:0000040
material entity
node5->node10
node6
PO:0009011
plant structure
node7
PO:0025496
multi-tissue plant
structure
node6->node7
node12
PO:0025497
collective plant
structure
node6->node12
node7->node3
node9
PO:0009047
stem
node8->node9
node11
PO:0025131
plant anatomical
entity
node10->node11
node11->node6
node13
PO:0025007
collective plant
organ structure
node12->node13
node14
PO:0009006
shoot system
node13->node14
node14->node8