Help! I've been attacked by plants!

My mother and I went plant shopping today, her buying lots of flowers and me finding herbs and veggies for my little backyard garden.  While we were looking at hanging baskets to get for my grandma I found this beautiful vine-like flowering one called a Bouganvilla Vine, remember that name.

Well, I had just grabbed the planter when I accidentally brushed my hand against one of the trailing vines an it attacked.  When my mom and I were innocently admiring the bright pink flowers trailing down the vine we failed to notice the inch long thornes!  I ended up yelping outloud (didn't swear outloud luckily, been trying to break that bad habit).  To add injury to insult the stupid thing managed to draw blood.

I've managed to gouge my palms and had to go beg for a band-aid from the owner of the greenhouse.  From hence forth all plants will not be judged by their color or beauty or type but by how utterly EVIL they are... That stupid thing fricken hurt!