S. andigenum Juz. et Buk. var. socco - huaccoto Buk. et Lechn. f. uncuna Buk. et Lechn.

S.M. Bukasov. Potatoes of South America and their breeding use, Leningrad, 1933, p. 63.

Diagnosis: (1162 and 1175) "Color-uncuno" has got leaf-like mucronules. Forms a lot of berries. Abundant tuberization.
Indigenous name.: Llama ruru, color uncuna.