Astragalus aybarsii a new species of sect. Onobrychoidei DC. (Fabaceae) from Turkey

Astragalus aybarsii H. Duman & Aytac (Fabaccae) is described and illustrated as a new species from Kastamonu province (Turkey). The new species grows in open areas of Pinus brutia Ten. forests. Diagnostic and morphological charactersof the new species are compared with its close relatives, A. setulosus Boiss. & Balansa and A. eubrychioides Boiss. Also, some notes on the ecology, biogeography, conservation status and the pollen morphological and leaflet micromorphological features of the new species are presented. The geographical distribution of this new species and its allied species is mapped.

Keywords:

Astragalus, Kastamonu, Leguminosae Onobrychoidei, taxonomy, Turkey,

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