test
node1
PO:0009007
portion of plant
tissue
node2
PO:0009013
portion of meristem
tissue
node1->node2
node3
PO:0020145
lateral meristem
node2->node3
node4
PO:0006308
root lateral meristem
node3->node4
node5
BFO:0000001
entity
node6
BFO:0000002
continuant
node5->node6
node6->node6
node11
BFO:0000004
independent
continuant
node6->node11
node7
PO:0025025
root system
node8
PO:0009005
root
node7->node8
node8->node4
node9
PO:0009008
plant organ
node10
PO:0025004
plant axis
node9->node10
node10->node8
node10->node3
node11->node11
node14
BFO:0000040
material entity
node11->node14
node12
PO:0009011
plant structure
node12->node1
node13
PO:0025496
multi-tissue plant
structure
node12->node13
node17
PO:0025497
collective plant
structure
node12->node17
node13->node9
node15
PO:0025131
plant anatomical
entity
node14->node15
node15->node12
node16
PO:0025007
collective plant
organ structure
node16->node7
node17->node16