Petrorhagia grandiflora sp. nov. (Caryophyllaceae) from Greece

摘要

Petrorhagia grandifloraIatroú sp. nov. is described from limestone rocks on the eastern side of Mt. Parnon, in the province of Arkadhia, Peloponesos, Greece. This species, belonging to sect.Petrorhagiasubsect.ThessalaeBallHeywood, is related to theP. thessala(Boiss.) BallHeywood andP. dianthoides(Smith) BallHeywood with which it is compared. Chromosome numbers (2n = 30) and karyotypes are presented; seeds are examined by a Scanning Electron Microscope (SEM); and their distribution in Greece are presented