test
node1
PATO:0000140
position
node2
PATO:0000133
orientation
node1->node2
node12
TO:0000541
leaf position
node1->node12
node9
TO:0000206
leaf angle
node2->node9
node3
BFO:0000001
entity
node4
BFO:0000002
continuant
node3->node4
node4->node4
node5
BFO:0000020
specifically
dependent continuant
node4->node5
node10
BFO:0000019
quality
node5->node10
node5->node5
node6
PATO:0000001
quality
node5->node6
node13
PATO:0001241
physical object
quality
node6->node13
node7
TO:0000017
plant morphology
trait
node8
TO:0000839
plant structure
morphology trait
node7->node8
node16
TO:0000836
multi-tissue plant
structure morphology
trait
node8->node16
node10->node10
node10->node13
node11
TO:0000748
leaf morphology trait
node20
TO:0000419
vascular leaf
morphology trait
node11->node20
node11->node12
node14
TO:0000824
leaf attitude
node11->node14
node12->node9
node15
PATO:0001018
physical quality
node13->node15
node13->node7
node14->node9
node15->node1
node17
TO:0000736
plant organ
morphology trait
node16->node17
node18
TO:0000747
phyllome morphology
trait
node17->node18
node18->node11
node19
TO:0000387
plant trait
node19->node7
node20->node9