ack Broken pipe: write( 8, 'digraph test {
ratio="fill";
node [color="black", fillcolor="white", fontcolor="blue", fontsize="7", shape="box", style="filled"];
edge;
accall [URL="all", label="all\nall"];
node1 [URL="PO:0025131", label="plant anatomical entity\nPO:0025131"];
node2 [URL="PO:0009011", label="plant structure\nPO:0009011"];
node3 [URL="PO:0025496", label="multi-tissue plant structure\nPO:0025496"];
node4 [URL="PO:0009008", label="plant organ\nPO:0009008"];
node5 [URL="PO:0025094", label="sporangium\nPO:0025094"];
node6 [URL="PO:0028002", label="sporophyte development stage\nPO:0028002"];
node7 [URL="PO:0030056", label="archesporial cell\nPO:0030056"];
node8 [URL="PO:0025606", label="native plant cell\nPO:0025606"];
node9 [URL="PO:0006014", label="male archesporial cell\nPO:0006014"];
node10 [URL="PO:0025202", label="microsporangium\nPO:0025202"];
node11 [URL="PO:0006088", label="primary sporogenous cell\nPO:0006088"];
node12 [URL="PO:0020047", label="microsporocyte\nPO:0020047"];
node13 [URL="PO:0006204", label="sporocyte\nPO:0006204"];
node14 [URL="PO:0000032", label="tetrad of microspores\nPO:0000032"];
node15 [URL="PO:0009007", label="portion of plant tissue\nPO:0009007"];
node16 [URL="PO:0020048", label="microspore\nPO:0020048"];
node17 [URL="PO:0009002", label="plant cell\nPO:0009002"];
node18 [URL="PO:0000003", label="whole plant\nPO:0000003"];
node19 [URL="PO:0025017", label="plant spore\nPO:0025017"];
node20 [URL="PO:0007033", label="whole plant development stage\nPO:0007033"];
node21 [URL="PO:0009012", label="plant structure development stage\nPO:0009012"];
node22 [URL="PO:0025337", label="life of whole plant stage\nPO:0025337"];
node18 -> node2 [label="is_a"];
node14 -> node15 [label="is_a"];
node14 -> node12 [label="develops_from"];
node14 -> node16 [label="has_part"];
node9 -> node10 [label="part_of"];
node9 -> node7 [label="is_a"];
node11 -> node9 [label="develops_from"];
node11 -> node8 [label="is_a"];
node13 -> node5 [label="part_of"];
node13 -> node8 [label="is_a"];
node13 -> node7 [label="develops_from"];
node20 -> node18 [label="has_participant"];
node20 -> node21 [label="is_a"];
node17 -> node2 [label="is_a"];
node15 -> node2 [label="is_a"];
node4 -> node3 [label="is_a"];
node2 -> node1 [label="is_a"];
node21 -> accall [label="is_a"];
node12 -> node11 [label="develops_from"];
node12 -> node13 [label="is_a"];
node12 -> node10 [label="part_of"];
node16 -> node19 [label="is_a"];
node19 -> node18 [label="is_a"];
node5 -> node4 [label="is_a"];
node5 -> node6 [label="participates_in"];
node1 -> accall [label="is_a"];
node10 -> node5 [label="is_a"];
node22 -> node20 [label="is_a"];
node3 -> node2 [label="is_a"];
node8 -> node17 [label="is_a"];
node6 -> node20 [label="is_a"];
node6 -> node22 [label="part_of"];
node7 -> node5 [label="part_of"];
node7 -> node8 [label="is_a"];
}
' ) at /usr/local/share/perl5/IPC/Run/IO.pm line 558.
tetrad of microspores Graphical View
![graphical representation of tetrad of microspores]( "Graphical representation of tetrad of microspores")
