test
node1
TO:0000227
root length
node2
TO:0000516
relative root length
node1->node2
node3
BFO:0000001
entity
node4
BFO:0000002
continuant
node3->node4
node4->node4
node5
BFO:0000020
specifically
dependent continuant
node4->node5
node9
BFO:0000019
quality
node5->node9
node5->node5
node6
PATO:0000001
quality
node5->node6
node10
PATO:0001241
physical object
quality
node6->node10
node7
TO:0000017
plant morphology
trait
node8
TO:0000839
plant structure
morphology trait
node7->node8
node11
TO:0000836
multi-tissue plant
structure morphology
trait
node8->node11
node9->node9
node15
PATO:0000051
morphology
node9->node15
node9->node10
node10->node15
node10->node7
node17
TO:0000736
plant organ
morphology trait
node11->node17
node12
PATO:0001708
1-D extent
node13
PATO:0000122
length
node12->node13
node13->node1
node14
TO:0000043
root morphology trait
node14->node1
node19
PATO:0000117
size
node15->node19
node16
TO:0000387
plant trait
node16->node7
node18
TO:0000738
plant axis morphology
trait
node17->node18
node18->node14
node19->node12