test
node1
BFO:0000001
entity
node2
BFO:0000002
continuant
node1->node2
node2->node2
node6
BFO:0000004
independent
continuant
node2->node6
node3
PO:0025606
native plant cell
node4
PO:0025030
ground tissue cell
node3->node4
node7
PO:0000074
parenchyma cell
node4->node7
node5
PO:0009002
plant cell
node5->node3
node6->node6
node15
BFO:0000040
material entity
node6->node15
node9
PO:0025412
albuminous cell
node7->node9
node8
PO:0005417
phloem
node8->node9
node10
PO:0025059
portion of ground
tissue
node11
PO:0005421
parenchyma
node10->node11
node10->node4
node11->node7
node12
PO:0009015
portion of vascular
tissue
node12->node8
node13
PO:0009007
portion of plant
tissue
node13->node12
node13->node10
node14
PO:0009011
plant structure
node14->node5
node14->node13
node16
PO:0025131
plant anatomical
entity
node15->node16
node16->node14