Forum:Treeborn Confusion...

which states that if treeborn forg's effect is negated it will be special summoned during that same turn?? why is that?...I thought if you negated the summon of treebornfrog it wont be back until your next stand by phase....right?...please help....thx in advance...firebender999 sept. 9 ,08
 * Can someone pls expalin to the rulings of Treeborn Frog,the one particularly the 6th one