test
node1
BFO:0000001
entity
node2
BFO:0000002
continuant
node1->node2
node2->node2
node7
BFO:0000004
independent
continuant
node2->node7
node3
PO:0009008
plant organ
node15
PO:0025001
cardinal organ part
node3->node15
node4
PO:0025004
plant axis
node3->node4
node5
PO:0025029
shoot axis
node4->node5
node6
PO:0005005
shoot axis internode
node5->node6
node11
PO:0009047
stem
node5->node11
node12
PO:0020142
stem internode
node6->node12
node7->node7
node13
BFO:0000040
material entity
node7->node13
node8
PO:0009011
plant structure
node9
PO:0025496
multi-tissue plant
structure
node8->node9
node16
PO:0025497
collective plant
structure
node8->node16
node10
PO:0025498
cardinal part of
multi-tissue plant
structure
node8->node10
node9->node3
node9->node10
node10->node15
node11->node12
node14
PO:0025131
plant anatomical
entity
node13->node14
node14->node8
node15->node6
node17
PO:0025007
collective plant
organ structure
node16->node17
node18
PO:0009006
shoot system
node17->node18
node18->node5