test
node1
BFO:0000001
entity
node2
BFO:0000002
continuant
node1->node2
node2->node2
node3
BFO:0000020
specifically
dependent continuant
node2->node3
node7
BFO:0000019
quality
node3->node7
node3->node3
node4
PATO:0000001
quality
node3->node4
node8
PATO:0001241
physical object
quality
node4->node8
node5
TO:0000017
plant morphology
trait
node6
TO:0000839
plant structure
morphology trait
node5->node6
node9
TO:0000836
multi-tissue plant
structure morphology
trait
node6->node9
node7->node7
node14
PATO:0000051
morphology
node7->node14
node7->node8
node8->node14
node8->node5
node16
TO:0000736
plant organ
morphology trait
node9->node16
node10
PATO:0001708
1-D extent
node11
PATO:0000122
length
node10->node11
node13
TO:0000227
root length
node11->node13
node12
TO:0000043
root morphology trait
node12->node13
node17
CO_341:0000069
pigeonpea radicle
length trait
node13->node17
node19
PATO:0000117
size
node14->node19
node15
TO:0000387
plant trait
node15->node5
node18
TO:0000738
plant axis morphology
trait
node16->node18
node18->node12
node19->node10