Published May 18, 2013 at 1280 × 960 in Around the world in 40 years . . . Part 5. Under African skies.

Looking at wild yams (Dioscorea spp.) on the IITA campus in Nigeria. L-R: Mike Jackson (IRRI), ??, Jan Valkoun, Willy Roca (CIP), Murthi Anishetty (FAO), Quat Ng (IITA), ??

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