Kövérszőlő is a variety of grape indigenous to the Transylvania

Transylvania

Transylvania is a historical region in the central part of Romania. Bounded on the east and south by the Carpathian mountain range, historical Transylvania extended in the west to the Apuseni Mountains; however, the term sometimes encompasses not only Transylvania proper, but also the historical...

 wine region, but is also grown in Tokaj-Hegyalja

Tokaj-Hegyalja

Tokaj-Hegyalja is a historical wine region located in southeastern Slovakia and northeastern Hungary. Hegyalja means "foothills" in Hungarian, and this was the original name of the region....

 wine region of Hungary

Hungary

Hungary , officially the Republic of Hungary , is a landlocked country in Central Europe. It is situated in the Carpathian Basin and is bordered by Slovakia to the north, Ukraine and Romania to the east, Serbia and Croatia to the south, Slovenia to the southwest and Austria to the west. The...

. The variety almost entirely disappeared from Tokaj after the phylloxera epidemic of the 19th century. Kövérszõlõ is characterized by its relatively large big berries. It is suitable for making aszú wines because of its susceptibility to botrytisation

Botrytis cinerea

Botrytis cinerea is a necrotrophic fungus that affects many plant species, although its most notable hosts may be wine grapes. In viticulture, it is commonly known as botrytis bunch rot; in horticulture, it is usually called grey mould or gray mold.The fungus gives rise to two different kinds of...

 and its high sugar content.

Kövérszőlő is a crossing of Kadarka

Kadarka

Kadarka or Gamza is a dark-skinned variety of grape used for red wine. It has a long history and is popular in Hungary and Bulgaria, where it is known as гъмза Gamza. It used to be an important constituent of the Hungarian red cuvée Bull's Blood of Eger or Szekszárd, but has long been in decline in...

 with Munkatsy Jozsef (which in turn is Diamanttraube × Muscat of Alexandria

Muscat of Alexandria

Muscat of Alexandria is a white wine grape that is a member of the Muscat family of Vitis vinifera. It is considered an "ancient vine", and wine experts believe it is one of the oldest genetically unmodified vines still in existence...

). It was crossed with Fetească Albă

Feteasca alba

Fetească Albă is a Romanian - Moldovan white grape variety, mainly cultivated in Moldova and Romanian regions of Moldavia and Transylvania, as well as in the Hungarian wine region of Eger.In Moldova, it uses the biggest area planted among local varieties -...

 to produce Fetească Regală

Feteasca Regala

Fetească Regală is a variety of Romanian - Moldovan white grape variety, created in the 1930s, in Mureş County. It is a crossing of Grasă and Fetească albă.This variety is cultivated mainly in Romanian regions of Moldavia and Transylvania, and in Moldova....

.

It is also known as Resertraube.