test
node1
PO:0025157
phyllome epidermis
node2
PO:0006016
leaf epidermis
node1->node2
node17
PO:0006018
leaf adaxial
epidermis
node2->node17
node3
BFO:0000001
entity
node4
BFO:0000002
continuant
node3->node4
node4->node4
node9
BFO:0000004
independent
continuant
node4->node9
node5
PO:0006035
shoot system
epidermis
node5->node1
node6
PO:0009008
plant organ
node7
PO:0006001
phyllome
node6->node7
node13
PO:0025034
leaf
node7->node13
node7->node1
node8
PO:0009006
shoot system
node8->node7
node8->node5
node9->node9
node15
BFO:0000040
material entity
node9->node15
node10
PO:0005679
plant epidermis
node10->node5
node11
PO:0009011
plant structure
node14
PO:0009007
portion of plant
tissue
node11->node14
node12
PO:0025496
multi-tissue plant
structure
node11->node12
node18
PO:0025497
collective plant
structure
node11->node18
node12->node6
node13->node2
node14->node10
node16
PO:0025131
plant anatomical
entity
node15->node16
node16->node11
node19
PO:0025007
collective plant
organ structure
node18->node19
node19->node8