Author:R.Kiesling & J.Piltz.
-The genus Yavia is named after Argentina's department Yavi, Jujuy province.
-cryptocarpa:from the greek 'kruptos' hidden and 'karpos' fruit.
-"Compared by the authors with varius other highly neotenic and geophytic taxa.
The flower and seeds are perhaps most reminiscent of several species currently included in rebutia". ( The new cactus lexicon )