&gt; Why does something that is considered to not have any adverse effects labeled differently other than to confuse the consumer?<p>One good reason might be if there were an unfounded stigma attached to one of the names. Rapeseed has many common names in the English language[0]; what are they trying to hide?! (In large measure, the unfortunate connotation of rapey-ness.)<p>[0] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Rapeseed#Common_names" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Rapeseed#Common_names</a>