test
node1
PO:0009007
portion of plant
tissue
node2
PO:0009013
portion of meristem
tissue
node1->node2
node10
PO:0025402
phyllome abaxial
meristem
node2->node10
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
node6->node10
node7->node7
node11
BFO:0000040
material entity
node7->node11
node8
PO:0009011
plant structure
node8->node1
node9
PO:0025496
multi-tissue plant
structure
node8->node9
node13
PO:0025497
collective plant
structure
node8->node13
node9->node5
node12
PO:0025131
plant anatomical
entity
node11->node12
node12->node8
node14
PO:0025007
collective plant
organ structure
node13->node14
node15
PO:0009006
shoot system
node14->node15
node15->node6