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
node10
TO:0000736
plant organ
morphology trait
node9->node10
node11
TO:0000862
floral organ
morphology trait
node10->node11
node13
TO:0006038
floral organ number
node11->node13
node12
TO:0000387
plant trait
node12->node5