test
node1
PO:0025395
floral organ
node2
PO:0009032
petal
node1->node2
node3
PO:0009059
corolla
node3->node2
node4
BFO:0000001
entity
node5
BFO:0000002
continuant
node4->node5
node5->node5
node8
BFO:0000004
independent
continuant
node5->node8
node6
PO:0009008
plant organ
node7
PO:0006001
phyllome
node6->node7
node6->node1
node7->node2
node8->node8
node14
BFO:0000040
material entity
node8->node14
node9
PO:0025023
collective phyllome
structure
node16
PO:0009058
perianth
node9->node16
node9->node3
node10
PO:0009011
plant structure
node11
PO:0025496
multi-tissue plant
structure
node10->node11
node18
PO:0025497
collective plant
structure
node10->node18
node11->node6
node12
PO:0009006
shoot system
node12->node7
node13
PO:0025082
reproductive shoot
system
node12->node13
node17
PO:0009046
flower
node13->node17
node15
PO:0025131
plant anatomical
entity
node14->node15
node15->node10
node16->node3
node17->node16
node17->node1
node19
PO:0025007
collective plant
organ structure
node18->node19
node19->node12
node19->node9