Article

The seed morphology of 16 Greek taxa of Campanula section Quinqueloculares, 14 of them are endemic to Greece, is studied using Scanning Electron Microscopy. Data on the size, shape, and colour of the seeds are provided and the seed coat morphology is described. The seed morphology is found to be relatively uniform except the seed coat. Two different patterns are described based on the type of striations on the seed surface. The seed coat morphology of the studied taxa is compared to the Turkish relatives of C. sect. Quinqueloculares highlighting the variation of the section. Overall, seed morphology was found to be an overlooked feature in Greek Campanula taxa. Our study sets, for the first time, a framework for the study of seed morphology in Greek C. sect. Quinqueloculares and additionally supports their complementary role in Campanula taxonomy and systematics.