test
node1
PO:0000045
embryo root
node2
PO:0000046
seminal root
node1->node2
node3
PO:0009005
root
node4
PO:0000042
shoot-borne root
node3->node4
node3->node1
node11
PO:0003005
shoot-borne nodal
root
node4->node11
node5
BFO:0000001
entity
node6
BFO:0000002
continuant
node5->node6
node6->node6
node10
BFO:0000004
independent
continuant
node6->node10
node7
PO:0025025
root system
node7->node3
node8
PO:0009008
plant organ
node9
PO:0025004
plant axis
node8->node9
node9->node3
node10->node10
node14
BFO:0000040
material entity
node10->node14
node11->node2
node12
PO:0009011
plant structure
node13
PO:0025496
multi-tissue plant
structure
node12->node13
node17
PO:0025497
collective plant
structure
node12->node17
node13->node8
node15
PO:0025131
plant anatomical
entity
node14->node15
node15->node12
node16
PO:0025007
collective plant
organ structure
node16->node7
node17->node16