test
node1
PO:0009002
plant cell
node2
PO:0025606
native plant cell
node1->node2
node8
PO:0004010
meristematic cell
node2->node8
node3
PO:0025131
plant anatomical
entity
node4
PO:0009011
plant structure
node3->node4
node4->node1
node5
BFO:0000004
independent
continuant
node5->node5
node6
BFO:0000040
material entity
node5->node6
node6->node3
node7
BFO:0000002
continuant
node7->node5
node7->node7
node10
PO:0030007
meristematic apical
cell
node8->node10
node9
BFO:0000001
entity
node9->node7
node11
PO:0030015
sporophyte
meristematic apical
cell
node10->node11