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A new species, Acantholimon turcicum Dogan & Akaydin (Plumbaginaceae), is described and illustrated. The species grows on calcareous mountain scree in Astragalus spp. steppe on Hazar Mountain above Sivrice (B7 Elazig). Diagnostic morphological characteristics from the closely related species are discussed and conservation status of the species is given, along with a discussion dealing with its taxonomic relationships. A revised key to the Acantholimon species with circinnate leaf basis is also provided for the species found in Turkey. more...

A new species, Acantholimon karamanicum Akaydin & Dogan (Plumbaginaceae) is described and illustrated. The species grows on calcareous mountain slopes in open Quercus sp. scrub, Astragalus sp. steppe, and inside Abies cilicica forest in Ermenek (Karaman). Diagnostic morphological characteristics from closely related species are discussed and conservation statuses of the species are given. A revised key to the Acantholimon species, with densely distichous spikes and outer bracts twice as long as the internodes, is also provided for the species found in Turkey. more...

This study examines whether a satisfactory classification of Acantholimon Boiss. (Plumbaginaceae) species found in Ankara province (Turkey) can be obtained from phenetic clustering based on external vegetative and floral morphological characters of both herbarium and collected specimens. The study is on the following species: A. venustum Boiss., A. halophilium Bokhari., A. acerosum (Willd.) Boiss., A. kotschyi (Jaub. & Spach) Boiss., A. confertiflorum Bokhari., A. glumaceum (Jaub. & Spach) Boiss., A. casareum Boiss. & Bal., A. puberulum Boiss. & Bal., and A. ulicinium (Jaub. & Schultes) Boiss. For each species twenty-five morphological characters were scored and data were subjected to numerical taxonomic analysis. The results of the present study suggest that for Ankara province (Turkey) there are basically three subsections (Caryophyllacea Bunge., Halophiliacea Muvaffak & Dogan, and Androsacea Bunge) which can be grouped under section Tragacanthina Bunge. Subsection Halophiliacea Muvaffak & Dogan is desc... more...