test
node1
BFO:0000001
entity
node2
BFO:0000002
continuant
node1->node2
node2->node2
node5
BFO:0000020
specifically
dependent continuant
node2->node5
node3
CO_322:0000178
maize grain upper
surface shape trait
node4
CO_322:0000721
maize gupssh_e_1to6
variable
node3->node4
node11
BFO:0000019
quality
node5->node11
node5->node5
node6
PATO:0000001
quality
node5->node6
node13
PATO:0001241
physical object
quality
node6->node13
node7
TO:0000017
plant morphology
trait
node8
TO:0000839
plant structure
morphology trait
node7->node8
node14
TO:0000836
multi-tissue plant
structure morphology
trait
node8->node14
node9
TO:0001079
caryopsis fruit
morphology trait
node10
TO:0002730
grain shape
node9->node10
node10->node3
node11->node11
node17
PATO:0000051
morphology
node11->node17
node11->node13
node12
TO:0002629
fruit morphology
trait
node12->node9
node15
TO:0002628
fruit shape
node12->node15
node13->node17
node13->node7
node14->node12
node15->node10
node16
PATO:0000052
shape
node16->node15
node17->node16
node18
TO:0000387
plant trait
node18->node7