Abstract
The poorly known monotypic genus Szovitsia Fisch. & C.A.Mey, in the Apiaceae family, is here revised. Szovitsia callicarpa Fisch. & C.A.Mey. is an annual herb with a restricted distribution in the Caucasus region and adjacent areas of northwestern Iran and northeastern Turkey. The genus is unusual within the family because of the transverse plicae covering its fruits. In this study, morphological, micromorphological, and anatomical characters of S. callicarpa are reviewed. In addition, a previous lectotypification of the name S. callicarpa is discussed and amended.
Highlights
Southwest Asia is an area of great interest because of its high plant diversity and endemism
The level of endemism is generally used to indicate the uniqueness of a flora and is a major criterion for conservation (Sales & Hedge 2013)
A recent account, indicated that the family is represented by 104 genera and 486 species, with three monotypic endemic genera to the country (Aegokeras Raf., Postiella Kljuykov, and Crenosciadium Boiss. & Heldr. ex Boiss.)
Summary
Southwest Asia is an area of great interest because of its high plant diversity and endemism. According to Sales & Hedge (2013), there are 161 endemic genera in southwest Asia and 70% of these are monotypic. Different researchers have documented Apiaceae richness in the area (Davis 1972; Rechinger 1987; Ekim 2009; Sales & Hedge 2013), with 281 genera and 2115 species reported from Asia by Pimenov & Leonov (2004a). The family Apiaceae has the highest number of genera endemic to Asia (60), of which 45 are monotypic (Sales & Hedge 2013)
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