what are alternative nodes?

[hashpipe]

is that were on the stem were the leafs are the littl baby shoots. or show me a pic guys, not sure.

 

[THE BROTHER'S GRUNT]

This might help ya out. http://www.marijuanapassion.com/forum/showthread.php?p=119733#post119733

 

[TheStickyIcky]

Its just when the two nodes don't come out at the same place on the stalk. Like the right branch will come out and then a few CM (or inches depending on how compact the plant is) later the branch on the left side will come out.
....\|/
....\|/ <--Regular nodes

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.....|/ <--Alternating nodes