Abstract
Embryo-sac development in Gagea bohemica, G. chrysantha and G. granatellii conforms to the Euphorbia dulcis-type (=Fritillaria-type), and all three species are proterandrous. G. bohemica and G. chrysantha are embryologically closer to each other than to G. granatellii and both develop seven- and eight-nucleate female gametophytes (although with clearly different proportions). G. granatellii, however develops only seven-nucleate embryo-sacs. All the species share, in various ways, cytological and micromorphological aberrations in both male and female gametophytes. Pollen grains are mostly morphologically regular in G. bohemica and G. chrysantha, while in G. granatellii malformed pollen is dominant. The studied plants of G. bohemica and G. chrysantha produced a very low amount of seeds, while G. granatellii produced no seeds at all.
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