test
node1
BFO:0000001
entity
node2
BFO:0000002
continuant
node1->node2
node2->node2
node9
BFO:0000004
independent
continuant
node2->node9
node3
PO:0020141
stem node
node4
PO:0025321
cotyledonary node
node3->node4
node5
PO:0009008
plant organ
node7
PO:0025001
cardinal organ part
node5->node7
node6
PO:0025004
plant axis
node5->node6
node14
PO:0025029
shoot axis
node6->node14
node8
PO:0005004
shoot axis node
node7->node8
node8->node3
node9->node9
node15
BFO:0000040
material entity
node9->node15
node10
PO:0009047
stem
node10->node3
node11
PO:0009011
plant structure
node12
PO:0025496
multi-tissue plant
structure
node11->node12
node17
PO:0025497
collective plant
structure
node11->node17
node13
PO:0025498
cardinal part of
multi-tissue plant
structure
node11->node13
node12->node5
node12->node13
node13->node7
node14->node8
node14->node10
node16
PO:0025131
plant anatomical
entity
node15->node16
node16->node11
node18
PO:0025007
collective plant
organ structure
node17->node18
node19
PO:0009006
shoot system
node18->node19
node19->node14