test
node1
PO:0025157
phyllome epidermis
node2
PO:0006016
leaf epidermis
node1->node2
node13
PO:0006504
leaf trichome
node2->node13
node3
BFO:0000001
entity
node4
BFO:0000002
continuant
node3->node4
node4->node4
node11
BFO:0000004
independent
continuant
node4->node11
node5
PO:0006035
shoot system
epidermis
node5->node1
node6
PO:0009008
plant organ
node7
PO:0006001
phyllome
node6->node7
node16
PO:0025034
leaf
node7->node16
node7->node1
node8
PO:0005679
plant epidermis
node9
PO:0000282
trichome
node8->node9
node8->node5
node12
PO:0025186
phyllome trichome
node9->node12
node10
PO:0009006
shoot system
node10->node7
node10->node5
node11->node11
node18
BFO:0000040
material entity
node11->node18
node12->node13
node14
PO:0009011
plant structure
node14->node9
node17
PO:0009007
portion of plant
tissue
node14->node17
node15
PO:0025496
multi-tissue plant
structure
node14->node15
node20
PO:0025497
collective plant
structure
node14->node20
node15->node6
node16->node2
node17->node8
node19
PO:0025131
plant anatomical
entity
node18->node19
node19->node14
node21
PO:0025007
collective plant
organ structure
node20->node21
node21->node10