Peucedanum hyrcanicum (Apiaceae), a new species of Peucedanum s. lato from northern Iran

摘要

Peucedanum hyrcanicum Gholizadeh, Naqinezhad & Mozaff. (Apiaceae) is described here as a new species. It grows at high elevations on rocky cliffs and outcrops in forests and shrublands of the Hyrcanian relict region in northern Iran. It differs from other Iranian Peucedanum s. lato species in the shape and size of leaves, leaflets, umbels, fruits and in the petal color.