3plants 1 pot

OK just started growing im like 1 1/2 weeks in all plants look extremely healthy everything is going great its a closet grow and i was pretty much wondering do i have to separate the plants now i dont want your opinion on What you think what i want to know is will the plants Flower and yield If i do not seperate them? ALSO how come the smallest one the leaves are jagged and the ends theres no sign of stress or anything just different strain of plant i guess???

Heres what they look like (2 biggest)

http://i234.photobucket.com/albums/ee85/mccool3232/PLANTSs2009.jpg


(All three)

http://i234.photobucket.com/albums/ee85/mccool3232/allplants.jpg
 
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