test
node1
PO:0009007
portion of plant
tissue
node2
PO:0009013
portion of meristem
tissue
node1->node2
node19
PO:0025127
primordium
node2->node19
node3
BFO:0000001
entity
node4
BFO:0000002
continuant
node3->node4
node4->node4
node9
BFO:0000004
independent
continuant
node4->node9
node5
PO:0000037
shoot axis apex
node6
PO:0025222
reproductive shoot
apex
node5->node6
node10
PO:0025477
floral organ
primordium
node6->node10
node7
PO:0009008
plant organ
node8
PO:0025004
plant axis
node7->node8
node12
PO:0025029
shoot axis
node8->node12
node9->node9
node15
BFO:0000040
material entity
node9->node15
node11
PO:0006089
anther primordium
node10->node11
node12->node5
node13
PO:0009011
plant structure
node13->node1
node14
PO:0025496
multi-tissue plant
structure
node13->node14
node17
PO:0025497
collective plant
structure
node13->node17
node14->node7
node16
PO:0025131
plant anatomical
entity
node15->node16
node16->node13
node18
PO:0025007
collective plant
organ structure
node17->node18
node20
PO:0009006
shoot system
node18->node20
node19->node10
node20->node12