Completer or Malanstraube is a white Swiss wine

Swiss wine

Swiss wine is produced from nearly 15 000 hectares of vineyards, and the wines are mainly produced in the west and in the south of Switzerland, in the cantons of Geneva, Neuchâtel, Ticino, Valais and Vaud...

 grape variety grown primarily in eastern Switzerland

Switzerland

Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

 around Graubünden

Graubünden

Graubünden or Grisons is the largest and easternmost canton of Switzerland. The canton shares borders with the cantons of Ticino, Uri, Glarus and St. Gallen and international borders with Italy, Austria and Liechtenstein...

. The Completer vine was once domesticated but has now become mostly feral

Feral

A feral organism is one that has changed from being domesticated to being wild or untamed. In the case of plants it is a movement from cultivated to uncultivated or controlled to volunteer. The introduction of feral animals or plants to their non-native regions, like any introduced species, may...

 though some Swiss winemakers will make limited quantities of wine harvested from the wild vines. Wine produced from Completer tends to be very full bodied and aromatic.

Lafnetscha

According to wine expert Jancis Robinson

Jancis Robinson

Jancis Mary Robinson OBE, MW is a British wine critic, journalist and editor of wine literature. She currently writes a weekly column for the Financial Times, and writes for her website jancisrobinson.com...

, some ampelographers speculate that the Lafnetscha grape grown in the Valais

Valais

The Valais is one of the 26 cantons of Switzerland in the southwestern part of the country, around the valley of the Rhône from its headwaters to Lake Geneva, separating the Pennine Alps from the Bernese Alps. The canton is one of the drier parts of Switzerland in its central Rhône valley...

region in southwest Switzerland is actually Completer of which Lafnetscha is a known synonym.

Synonyms

Completer is also known under the synonyms Lafnaetscha, Lafnetscha, Lafnetsela, Lindauer, Malans, Malanstraube, Malanstraube Weisse, Räuschling Edelweiss, Zürichersee, Zürichseer, Zürirebe, and Zurichersee.