Dionysia assadii sp. nov. (Primulaceae: sect. Dionysiopsis) from southern Iran

The new species Dionysia assadii (Primulaceae) from the Irano–Turanian region in Fars province, Iran, is described and illustrated. It is compared with its closest relative Dionysia esfandiarii Wendelbo and differs from it in leaf shape, leaf margin, hair density of leaves and other organs, shape of calyx and bracts, color of corolla and status of lobes, form and color of seeds, as well as the length of anthers and style in longistylous...