Onosma safaie-fari (Boraginaceae), a new species from western Iran

Onosma safaie-fari (of O. subsect. Asterotricha) is described as a new species from western Iran. Onosma safaiefariis morphologically similar to O. iranshahrii, but it is distinct in terms of the shape of sterile shoots and caulineleaves; length of fruiting calyx, shape, and width of calyx lobes; and color of the corolla. In addition, O. safaie-fariis similar to O. bisotunensis, but it is distinguished by the shape and length of lower bracts; length of the fruitingcalyx; color and length of the corolla; length of the free part of filaments; the position of filaments arising from thecorolla, and length of anthers. Onosma safaie-fari is close to O. shehbazii, but it can be distinguished from it basedon the shape and length of sterile shoots and cauline leaves, length of lower bracts, length of fruiting calyx, colorand length of the corolla, length of anthers, and the presence of a hairy nectary ring. Detailed descriptions,diagnostic characters, original photographs, illustrations, a geographical distribution map, habitat information, animage of the holotype specimen, and an identification key are presented.