I think I had this conversation somewhere else, maybe even here on MD- but it's not rapini- Rape is the conventional name that comes from latin for turnips (rapum) and other related brassicas (cabbages, mustard), etc. That was extended into commercial naming- for example rapeseed oil. Due to bad name association, sometimes rapeseed oil is called canola flower oil, although "Canola" itself was coined as a combo "canadian" and "oil", where it was bred and commercialized for the low erusic acid levels and often specifically means that type. I've increasingly seen "Brassicas" now used conventionally to mean what used to be "Rapes". East and south Asia use rapeseed/mustard seed oils quite extensively, but they are different cultivars that do not use the low acid canola type, and don't use the english naming conventions anyways. From that earlier convo I remember, there used to be a welcome billboard in one part of Canada that advertised "The home of rape!", which I believe has now been changed to either turnip or some other related plant =D