test
node1
BFO:0000001
entity
node2
BFO:0000002
continuant
node1->node2
node2->node2
node3
BFO:0000020
specifically
dependent continuant
node2->node3
node9
BFO:0000019
quality
node3->node9
node3->node3
node4
PATO:0000001
quality
node3->node4
node11
PATO:0001241
physical object
quality
node4->node11
node5
PATO:0000117
size
node6
PATO:0001710
3-D extent
node5->node6
node10
TO:0002637
leaf size
node5->node10
node14
PATO:0000918
volume
node6->node14
node7
TO:0000017
plant morphology
trait
node8
TO:0000839
plant structure
morphology trait
node7->node8
node13
TO:0000836
multi-tissue plant
structure morphology
trait
node8->node13
node9->node9
node17
PATO:0000051
morphology
node9->node17
node9->node11
node19
TO:0000826
leaf volume
node10->node19
node11->node17
node11->node7
node12
TO:0000748
leaf morphology trait
node12->node10
node15
TO:0000736
plant organ
morphology trait
node13->node15
node14->node19
node16
TO:0000747
phyllome morphology
trait
node15->node16
node16->node12
node17->node5
node18
TO:0000387
plant trait
node18->node7