Plants are probably a mix of indica and sativa. Indica. Most popular strains are a hybrid.

Image Detail for - Sativas vs Indicas Marijuana Seeds Strains Compared Difference

Your plants show a lack of strong light. I doubt they enjoy the 32* temps either. They are after all a tropical plant. Put the MH light to use for at least 18 hours a day and get a fan to help strengthen those spindly stems.