S. andigenum Juz. et Buk. var. longibaccatum Buk. et Lechn. f. pallidum Buk. et Lechn.

S.M. Bukasov. Potatoes of South America and their breeding use, Leningrad, 1933, p. 74.
Diagnosis: Tubers are oval, elongate, yellow with red eyes. Leaf, flower and long berries are like by the type.
Different in a lighter corolla color.
Juz. 1525, La Paz, full name Huari chuchu.