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
TO:0000017
plant morphology
trait
node6
TO:0000839
plant structure
morphology trait
node5->node6
node12
TO:0000836
multi-tissue plant
structure morphology
trait
node6->node12
node7
TO:0001079
caryopsis fruit
morphology trait
node8
TO:0002731
dehulled grain length
to width ratio
node7->node8
node9->node9
node9->node11
node10
TO:0002629
fruit morphology
trait
node10->node7
node11->node5
node12->node10
node13
TO:0000387
plant trait
node13->node5