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
node7->node8
node8->node5
node12
TO:0000736
plant organ
morphology trait
node9->node12
node10
TO:0000747
phyllome morphology
trait
node11
TO:0000815
bract morphology
trait
node10->node11
node14
TO:0000079
flower bract
morphology trait
node11->node14
node12->node10
node13
TO:0000862
floral organ
morphology trait
node12->node13
node13->node14
node15
TO:0000387
plant trait
node15->node5