I think that Screenshot explain what it's all about.
By the way, there are some vines who stay in the air without any leaves next to.
Environment
OS : Windows 7
Java : build 1.6.0_24-b07
MC-6009
Problem with generation of biome jungle
Resolved
Duplicate
0
Duplicate of MC-5737 , please use the search function to see if your bug has already been submitted. Currently over 40% of tickets are being closed as duplicate.