Kölsch is a top-fermented local beer style from Köln (Cologne), Germany. Kölsch beers are characterized by a lightly fruity yeast note in aroma and taste, as well as a pleasant hoppy bitterness. They would make the beer golden and hoppy, but continue to use their warm-fermenting ale yeasts.
hop, also called hop plant, either of two species of the genus Humulus, nonwoody annual or perennial vines in the hemp family (Cannabinaceae) native to temperate North America, Eurasia, and South America. The hops used in the brewing industry are the dried female flower clusters (cones) of the common hop (H. lupulus).