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:0006001
phyllome
node3->node4
node6
PO:0025001
cardinal organ part
node3->node6
node12
PO:0025034
leaf
node4->node12
node5->node5
node13
BFO:0000040
material entity
node5->node13
node7
PO:0020104
leaf sheath
node6->node7
node15
PO:0020106
leaf sheath auricle
node6->node15
node7->node15
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->node6
node11
PO:0009025
vascular leaf
node11->node7
node12->node11
node14
PO:0025131
plant anatomical
entity
node13->node14
node14->node8
node17
PO:0025007
collective plant
organ structure
node16->node17
node18
PO:0009006
shoot system
node17->node18
node18->node4