test
node1
TO:0000357
plant growth and
development trait
node2
TO:0000928
plant structure
growth and
development trait
node1->node2
node3
TO:0002686
cell growth and
development trait
node2->node3
node4
TO:0002755
cell organelle
development trait
node3->node4
node5
TO:0002714
plastid development
trait
node4->node5
node6
TO:0002715
chloroplast
development trait
node5->node6
node7
TO:0000387
plant trait
node7->node1