test
node1
TO:0000387
plant trait
node2
TO:0000283
biological process
trait
node1->node2
node4
TO:0001027
net photosynthetic
rate
node2->node4
node3
BFO:0000002
continuant
node3->node3
node5
BFO:0000020
specifically
dependent continuant
node3->node5
node5->node5
node6
PATO:0000001
quality
node5->node6
node7
PATO:0001236
process quality
node6->node7
node7->node2
node8
BFO:0000001
entity
node8->node3