Posted on 1st November 2013 by melyn Kowrvalow is the Cornish word for hibiscus Yes, hibiscus in Cornish is kowrvalow Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Hagra is the Cornish word for disfigureNext post: Diambos is the Cornish word for unaccountable