Article

Chromosome numbers and karyotypes are given for 12 taxa of Campanula section Quinqueloculares. All the examined taxa are distributed in Greece including the phytogeographical regions of Crete and Karpathos, Cyclades and East Aegean Islands. The chromosome number 2n = 2x = 34 is found in all examined taxa with the exception of C. laciniata (2n = 4x = 68), which is a new chromosome number for the taxon from Crete. Their karyotypes are symmetrical comprising of mostly metacentric and submetacentric chromosomes, small in size, but they differ in the presence and the size of satellites. The chromosome count (2n = 34) and karyotype morphology of C. topaliana subsp. delphica is given for first time. New populations of C. cymaea, C. kamariana, C. pelviformis, and C. topaliana subsp. cordifolia were karyologically investigated confirming the previous references. The karyotype morphology of C. anchusiflora, C. andrewsii subsp. hirsutula, C. kamariana, C. lavrensis, C. merxmuelleri, C. nisyria, and C. rupestris is given for first time. Additionally, microphotographs are firstly provided hereby for all investigated taxa.