test
node1
PO:0006340
adult vascular leaf
node2
PO:0020103
flag leaf
node1->node2
node3
BFO:0000001
entity
node4
BFO:0000002
continuant
node3->node4
node4->node4
node7
BFO:0000004
independent
continuant
node4->node7
node5
PO:0009008
plant organ
node6
PO:0006001
phyllome
node5->node6
node10
PO:0025034
leaf
node6->node10
node7->node7
node11
BFO:0000040
material entity
node7->node11
node8
PO:0009011
plant structure
node9
PO:0025496
multi-tissue plant
structure
node8->node9
node14
PO:0025497
collective plant
structure
node8->node14
node9->node5
node13
PO:0009025
vascular leaf
node10->node13
node12
PO:0025131
plant anatomical
entity
node11->node12
node12->node8
node13->node1
node15
PO:0025007
collective plant
organ structure
node14->node15
node16
PO:0009006
shoot system
node15->node16
node16->node6