ETA: ANSWER BELOW…Don’t scroll if you still want to guess
The creature in question’s name given by her owner is Leyla. She is an indonesian Amorphophallus titanum or more commonly known as the Corpse Plant. This is the largest flower species on earth. When it blooms it emits a powerful aroma of putrid flesh to attract flesh eating insects for pollination. Good thing is only blooms every 17 years or so.
The “petals” do resemble cabbage, but the purpose is to look like rotting flesh. I must say though not fully bloomed the order was staggering when I entered the cafe. (WHY A CAFE WOULD HAVE THIS ON DISPLAY I HAVE NO IDEA!)
If you have the chance to see one of these, I recommend it. They are truly a wonder and a great reminder that one man’s nightmare is another man’s baby.