Intense lemon-lime flavours. A crisp fruitiness makes it a superb partner with food. Hints of spiciness add to its intrigue.The world is rediscovering what some think is the greatest white grapeshes the sexy, mysterious sister that slinks in the shadows. Tall and lithe underneath shes spicy and racy. Gives you goose bumps. Gets under your skin. Only speaks when shes spoken to never gives it up after one sip. But once she lets you in, youll never forget her.Discovering riesling is a bit like love.Hailed by many critics as the greatest white grape variety in the world, riesling is perhaps the most misunderstood, especially insouth africa, where, outside wine-snob circles, its usually recognised as dubious, sweet and cheap.Thats because weve been duped. Right up until the 2010 south african vintage, tonnes of quaffable white has been flogged as cape or paarl riesling. But these bear no resemblance to the noble grape theyre in fact the inferior variety, crouchen blanc. The oops happened when crouchen blanc vines imported fromfrancewere mistaken for riesling.Little wonder true riesling has had a stunted growth in sa compared with other parts of the new world aussies and kiwis glug it like water, and in theus, riesling and sauvignon blanc sales are neck-and-neck.For decades, south africans have been drinking crouchen blanc, thinking it was riesling, says carl schultz, winemaker at hartenberg estate. Not surprisingly, they found it pretty ordinary.So riesling fanatics tied on th...