test
node1
BFO:0000002
continuant
node1->node1
node2
BFO:0000020
specifically
dependent continuant
node1->node2
node8
BFO:0000019
quality
node2->node8
node2->node2
node4
PATO:0000001
quality
node2->node4
node3
BFO:0000001
entity
node3->node1
node5
PATO:0001241
physical object
quality
node4->node5
node6
TO:0000017
plant morphology
trait
node5->node6
node7
TO:0000839
plant structure
morphology trait
node6->node7
node9
CO_321:0000199
wheat canopy
normalized water
index 2 trait
node7->node9
node8->node8
node8->node5
node10
TO:0000387
plant trait
node10->node6