The Rubber Sapling is a block added by the MineFactory Reloaded mod.
Can dark oak trees grow anywhere? I guess i keep my pole.
Crafting the logs produces Sticks instead of planks.
What does a Sacred Rubber Tree even do? Sacred Oak - Feed The Beast Wiki best ftbwiki.
Saplings can be found in loot chests.
Here are some screenshots of the tree Click to expand.