S. andigenum Juz. et Buk. var. aymaranum Buk. et Lechn. f. globosum Buk. et Lechn.

S.M. Bukasov. Potatoes of South America and their breeding use, Leningrad, 1933, p. 69.

Diagnosis: The accession Juz. 1583 from La Paz under the name Jancko imilla varies in globular berries, little mucronules, very short and wide corolla petals. Weak tuberization.