Abstract
Ten species in the genusSilene sectt.Siphonomorpha andAuriculatae were crossed artificially involving 612 crosses to test inter- and infraspecific, intervarietal and intersectional crossability. In sect.Siphonomorpha all interspecific crosses (between diploids) failed due to cross- or seed-incompatibility; however, intervarietal crosses betweenS. gigantea var.gigantea andS. gigantea var.incana produced hybrids. In sect.Auriculatae hybrids were produced betweenS. vallesia andS. boryi, both tetraploids, but crosses between these and the diploid species were unsuccessful. The delimitation and status of the species in both sections was supported by the crossing results.
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Ghazanfar, S.A. Hybridization studies in the genusSilene sectt.Siphonomorpha andAuriculatae (Caryophyllaceae). Pl Syst Evol 168, 143–148 (1989). https://doi.org/10.1007/BF00936094
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DOI: https://doi.org/10.1007/BF00936094