Figure 1

Buds and flowers of diploid yellow potato (Solanum tuberosum Grupo Phureja) cultivar criolla Colombia (scale bar a–d = 5 mm; e = 1 mm). Arabic numerals 1 to 10 represent anther developmental stages. Representative images of: (a) Perfect flowers with sepals, petals, anther ring and stigma. (b) Anthers. (c) Androecium and Gynoecium. (d) Development of buds from state 0 to 10. (e) Full bud and its cross section developing from state 0 to 10. ia immature anther, ma mature anther. Photographs and images created by the authors.