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S.M. Bukasov. Potatoes of South America and their breeding use, Leningrad, 1933, p. 70. Diagnosis: Perhaps has got common characters also with v. aymaranum (corolla lobes are not long), but has got a number of piculiar characters: very large, with a diameter above 3 ñm, very numerous barries of a globular form, narrowed at the top, and a bright lilac corolla color. Anther column is oval. Tuberization is abundant. |
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