(Edited: Oop, I see some people already posted this fact!) Good stuff! I was just reading about how broccoli was developed from the same original species as so many other vegetables we eat today. It turns our broccoli, broccolini, cauliflower (ok no surprises yet right?), kale, cabbage, brussel sprouts, collard greens, and more are just cultivars/varieties of the same species. https://en.wikipedia.org/wiki/Brassica_oleracea