test
node1
BFO:0000001
entity
node2
BFO:0000002
continuant
node1->node2
node2->node2
node3
BFO:0000004
independent
continuant
node2->node3
node3->node3
node12
BFO:0000040
material entity
node3->node12
node4
PO:0009035
nectary
node5
PO:0009056
flower nectary
node4->node5
node6
PO:0005656
portion of secretory
tissue
node6->node4
node7
PO:0009006
shoot system
node7->node4
node8
PO:0025082
reproductive shoot
system
node7->node8
node11
PO:0009046
flower
node8->node11
node9
PO:0009011
plant structure
node10
PO:0009007
portion of plant
tissue
node9->node10
node14
PO:0025497
collective plant
structure
node9->node14
node10->node6
node11->node5
node13
PO:0025131
plant anatomical
entity
node12->node13
node13->node9
node15
PO:0025007
collective plant
organ structure
node14->node15
node15->node7