Big texture bugs with new items!

I have realy big problem eith few new items in 1.7.2... some of them are always bug my minecraft version. for example: i take sunflower or rose bush to my hand, and at the moment all textures are invisible, but mobs or grass are visible. and after this bug i was try create new map but this new game was bugget from the start. i tried to reinstal this version but it crashed again in the same problem. please help